{"id":30705,"date":"2024-10-28T04:01:39","date_gmt":"2024-10-28T04:01:39","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=30705"},"modified":"2024-11-26T06:47:39","modified_gmt":"2024-11-26T06:47:39","slug":"%ec%9e%90%eb%b0%94-%ec%95%88%eb%93%9c%eb%a1%9c%ec%9d%b4%eb%93%9c-%ec%95%b1%ea%b0%9c%eb%b0%9c-%ea%b0%95%ec%a2%8c-%ec%a1%b0%ea%b1%b4%eb%ac%b8%ea%b3%bc-%eb%b0%98%eb%b3%b5%eb%ac%b8","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/30705\/","title":{"rendered":"\uc790\ubc14 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uac1c\ubc1c \uac15\uc88c, \uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38"},"content":{"rendered":"

<\/p>\n

\n

\uc548\ub4dc\ub85c\uc774\ub4dc \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc740 \uae30\ubcf8\uc801\uc73c\ub85c \uc790\ubc14 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc740 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \uc5b8\uc5b4 \uad6c\uc870\uc774\uba70, \uc774\ub4e4 \uc5c6\uc774\ub294 \uc571\uc758 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \ud3ec\uc2a4\ud305\uc5d0\uc11c\ub294 \uc790\ubc14\ub97c \ud65c\uc6a9\ud55c \uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc5d0 \ub300\ud55c \uc0c1\uc138\ud55c \uc124\uba85\uacfc \ud568\uaed8, \uc774\ub97c \ud65c\uc6a9\ud55c \uc608\uc81c \ucf54\ub4dc\ub97c \uc81c\uacf5\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

1. \uc870\uac74\ubb38\uc5d0 \ub300\ud55c \uc774\ud574<\/h2>\n

\uc870\uac74\ubb38\uc740 \ud2b9\uc815 \uc870\uac74\uc774 \ucc38(true)\uc778\uc9c0 \uac70\uc9d3(false)\uc778\uc9c0\uc5d0 \ub530\ub77c \ud504\ub85c\uadf8\ub7a8\uc758 \ud750\ub984\uc744 \uc81c\uc5b4\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc790\ubc14\uc5d0\uc11c\ub294 \uc8fc\ub85c if<\/code>, else<\/code>, switch<\/code>\uc640 \uac19\uc740 \uc870\uac74\ubb38\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

1.1 if \ubb38<\/h3>\n

\uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \uc870\uac74\ubb38\uc740 if<\/code> \ubb38\uc785\ub2c8\ub2e4. \uc774 \uc870\uac74\ubb38\uc740 \uc8fc\uc5b4\uc9c4 \uc870\uac74\uc774 true\uc77c \uacbd\uc6b0 \ud2b9\uc815 \ucf54\ub4dc\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n

if (\uc870\uac74) {\n    \/\/ \uc870\uac74\uc774 true\uc77c \uacbd\uc6b0 \uc2e4\ud589\ub420 \ucf54\ub4dc\n}<\/code><\/pre>\n
1.2 else \ubb38<\/h3>\n
if<\/code> \ubb38\uacfc \ud568\uaed8 \uc0ac\uc6a9\ub418\ub294 else<\/code> \ubb38\uc740 \uc81c\uc2dc\ub41c \uc870\uac74\uc774 false\uc77c \uacbd\uc6b0 \uc2e4\ud589\ub420 \ucf54\ub4dc\ub97c \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n
if (\uc870\uac74) {\n    \/\/ true\uc77c \uacbd\uc6b0 \uc2e4\ud589\n} else {\n    \/\/ false\uc77c \uacbd\uc6b0 \uc2e4\ud589\n}<\/code><\/pre>\n
1.3 else if \ubb38<\/h3>\n
\uc5ec\ub7ec \uc870\uac74\uc744 \uac80\uc0ac\ud574\uc57c \ud560 \ub54c\ub294 else if<\/code>\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n
if (\uc870\uac741) {\n    \/\/ \uc870\uac741\uc774 true\uc77c \uacbd\uc6b0 \uc2e4\ud589\n} else if (\uc870\uac742) {\n    \/\/ \uc870\uac742\uac00 true\uc77c \uacbd\uc6b0 \uc2e4\ud589\n} else {\n    \/\/ \uc704 \uc870\uac74\ub4e4\uc774 \ubaa8\ub450 false\uc77c \uacbd\uc6b0 \uc2e4\ud589\n}<\/code><\/pre>\n
1.4 switch \ubb38<\/h3>\n
switch<\/code> \ubb38\uc740 \uc5ec\ub7ec \uac00\uc9c0 \uc870\uac74 \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud574\uc57c \ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4. \ubcf4\ub2e4 \uae54\ub054\ud558\uac8c \uc791\uc131\ud560 \uc218 \uc788\uc73c\uba70, \ubcf5\uc7a1\ud55c \uc5ec\ub7ec \uc870\uac74\uc744 \ub2e4\ub8f0 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n
switch (\ubcc0\uc218) {\n    case \uac121:\n        \/\/ \uac121\uc77c \uacbd\uc6b0 \uc2e4\ud589\n        break;\n    case \uac122:\n        \/\/ \uac122\uc77c \uacbd\uc6b0 \uc2e4\ud589\n        break;\n    default:\n        \/\/ \uc544\ubb34 \uc870\uac74\uacfc\ub3c4 \ub9de\uc9c0 \uc54a\uc744 \uacbd\uc6b0 \uc2e4\ud589\n}<\/code><\/pre>\n
2. \ubc18\ubcf5\ubb38\uc5d0 \ub300\ud55c \uc774\ud574<\/h2>\n
\ubc18\ubcf5\ubb38\uc740 \ud2b9\uc815 \ucf54\ub4dc \ube14\ub85d\uc744 \uc5ec\ub7ec \ubc88 \uc2e4\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uc790\ubc14\uc5d0\ub294 \uc8fc\ub85c for<\/code>, while<\/code>, do while<\/code> \ubc18\ubcf5\ubb38\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2.1 for \ubb38<\/h3>\n
for<\/code> \ubb38\uc740 \ubc18\ubcf5 \ud69f\uc218\uac00 \uba85\ud655\ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4. \ucd08\uae30\uac12, \uc870\uac74\uc2dd, \uc99d\uac10\uc2dd\uc744 \uc9c0\uc815\ud558\uc5ec \ubc18\ubcf5\ud569\ub2c8\ub2e4.<\/p>\n
for (\ucd08\uae30\uac12; \uc870\uac74; \uc99d\uac10) {\n    \/\/ \ubc18\ubcf5 \uc2e4\ud589\ud560 \ucf54\ub4dc\n}<\/code><\/pre>\n
2.2 while \ubb38<\/h3>\n
while<\/code> \ubb38\uc740 \uc8fc\uc5b4\uc9c4 \uc870\uac74\uc774 true\uac00 \ub420 \ub3d9\uc548 \ubc18\ubcf5\ud569\ub2c8\ub2e4.<\/p>\n
while (\uc870\uac74) {\n    \/\/ \ubc18\ubcf5 \uc2e4\ud589\ud560 \ucf54\ub4dc\n}<\/code><\/pre>\n
2.3 do while \ubb38<\/h3>\n
do while<\/code> \ubb38\uc740 \ucd5c\uc18c\ud55c \ud55c \ubc88\uc740 \uc2e4\ud589\ub418\uace0, \uc870\uac74\uc744 \uac80\uc0ac\ud558\uc5ec \ubc18\ubcf5\ud569\ub2c8\ub2e4.<\/p>\n
do {\n    \/\/ \uc2e4\ud589\ud560 \ucf54\ub4dc\n} while (\uc870\uac74);<\/code><\/pre>\n
3. \uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc744 \ud65c\uc6a9\ud55c \uc608\uc81c<\/h2>\n
\uc774\ubc88\uc5d0\ub294 \uac04\ub2e8\ud55c \uc608\uc81c\ub97c \ud1b5\ud574 \uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc774 \uc2e4\uc81c \uc548\ub4dc\ub85c\uc774\ub4dc \uc571\uc5d0\uc11c \uc5b4\ub5bb\uac8c \uc0ac\uc6a9\ub418\ub294\uc9c0 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
3.1 \uc608\uc81c: \uc0ac\uc6a9\uc790 \uc785\ub825 \uae30\ubc18\uc758 \uacc4\uc0b0\uae30 \uc571<\/h3>\n
\uc0ac\uc6a9\uc790\uac00 \ub450 \uc22b\uc790\uc640 \uc5f0\uc0b0\uc790\ub97c \uc785\ub825\ud558\uba74 \uacb0\uacfc\ub97c \ucd9c\ub825\ud558\ub294 \uacc4\uc0b0\uae30 \uc571\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc744 \ud568\uaed8 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n
package com.example.simplecalculator;\n\nimport android.os.Bundle;\nimport android.view.View;\nimport android.widget.Button;\nimport android.widget.EditText;\nimport android.widget.TextView;\nimport androidx.appcompat.app.AppCompatActivity;\n\npublic class MainActivity extends AppCompatActivity {\n\n    private EditText number1EditText, number2EditText;\n    private TextView resultTextView;\n    private Button calculateButton;\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n\n        number1EditText = findViewById(R.id.number1);\n        number2EditText = findViewById(R.id.number2);\n        resultTextView = findViewById(R.id.result);\n        calculateButton = findViewById(R.id.calculateButton);\n\n        calculateButton.setOnClickListener(new View.OnClickListener() {\n            @Override\n            public void onClick(View v) {\n                calculate();\n            }\n        });\n    }\n\n    private void calculate() {\n        String number1String = number1EditText.getText().toString();\n        String number2String = number2EditText.getText().toString();\n        if (number1String.isEmpty() || number2String.isEmpty()) {\n            resultTextView.setText(\"\ubaa8\ub4e0 \uc785\ub825\ub780\uc744 \ucc44\uc6cc\uc8fc\uc138\uc694.\");\n            return;\n        }\n\n        int number1 = Integer.parseInt(number1String);\n        int number2 = Integer.parseInt(number2String);\n        String operator = \"\"; \/\/ TODO: \uc5ec\uae30\uc5d0 \uc5f0\uc0b0\uc790 \ubcc0\uc218 \ucd94\uac00\n\n        switch (operator) {\n            case \"+\":\n                resultTextView.setText(\"\uacb0\uacfc: \" + (number1 + number2));\n                break;\n            case \"-\":\n                resultTextView.setText(\"\uacb0\uacfc: \" + (number1 - number2));\n                break;\n            case \"*\":\n                resultTextView.setText(\"\uacb0\uacfc: \" + (number1 * number2));\n                break;\n            case \"\/\":\n                if (number2 == 0) {\n                    resultTextView.setText(\"0\uc73c\ub85c \ub098\ub20c \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.\");\n                } else {\n                    resultTextView.setText(\"\uacb0\uacfc: \" + (number1 \/ number2));\n                }\n                break;\n            default:\n                resultTextView.setText(\"\uc720\ud6a8\ud55c \uc5f0\uc0b0\uc790\ub97c \uc120\ud0dd\ud558\uc138\uc694.\");\n                break;\n        }\n    }\n}\n<\/code><\/pre>\n
4. \uc608\uc81c\uc758 \uc0c1\uc138 \uc124\uba85<\/h2>\n
\uc704\uc758 \ucf54\ub4dc\ub294 \uc0ac\uc6a9\uc790\uac00 \ub450 \uac1c\uc758 \uc22b\uc790\ub97c \uc785\ub825\ud558\uace0, \uc5f0\uc0b0\uc790\ub97c \uc120\ud0dd\ud558\uc5ec \uacb0\uacfc\ub97c \uacc4\uc0b0\ud558\ub294 \uac04\ub2e8\ud55c \uacc4\uc0b0\uae30 \uc571\uc785\ub2c8\ub2e4.<\/p>\n
4.1 \uc0ac\uc6a9\uc790 \uc785\ub825 \ucc98\ub9ac<\/h3>\n
\uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \ub450 \uac1c\uc758 \uc22b\uc790\ub97c \uc785\ub825\ubc1b\uae30 \uc704\ud574 EditText<\/code> \uc704\uc82f\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud55c \uac12\uc744 \uac00\uc838\uc624\uae30 \uc704\ud574 getText().toString()<\/code> \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n
4.2 \uc870\uac74\ubb38 \uc0ac\uc6a9<\/h3>\n
\uc785\ub825\ub41c \uac12\uc774 \ube44\uc5b4 \uc788\ub294\uc9c0 \uac80\uc0ac\ud558\uae30 \uc704\ud574 if<\/code> \ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \ubaa8\ub4e0 \uc785\ub825\ub780\uc744 \ucc44\uc6b0\ub3c4\ub85d \uc548\ub0b4\ud569\ub2c8\ub2e4.<\/p>\n
4.3 switch \ubb38 \uc0ac\uc6a9<\/h3>\n
\uc0ac\uc6a9\uc790\uac00 \uc120\ud0dd\ud55c \uc5f0\uc0b0\uc790\uc5d0 \ub530\ub77c \uacc4\uc0b0\uc744 \uc218\ud589\ud558\uae30 \uc704\ud574 switch<\/code> \ubb38\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uac01 \ucf00\uc774\uc2a4\uc5d0 \ub530\ub77c \ud574\ub2f9 \uc5f0\uc0b0\uc774 \uc218\ud589\ub418\uba70, \uacb0\uacfc\uac00 TextView<\/code>\uc5d0 \ucd9c\ub825\ub429\ub2c8\ub2e4.<\/p>\n
4.4 \uc608\uc678 \ucc98\ub9ac<\/h3>\n
\ub098\ub204\uae30 \uc5f0\uc0b0\uc758 \uacbd\uc6b0, 0\uc73c\ub85c \ub098\ub204\uae30\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ucd94\uac00\uc801\uc778 \uc870\uac74\uc744 \uac80\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n
5. \uacb0\ub860<\/h2>\n
\uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc740 \uc790\ubc14 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\uc5d0\uc11c \uac00\uc7a5 \uae30\ubcf8\uc801\uc774\uba70 \uc911\uc694\ud55c \uac1c\ub150\uc785\ub2c8\ub2e4. \uc0c1\uae30 \uc608\uc81c\ub97c \ud1b5\ud574 \uc774\ub97c \ud65c\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \uc775\ud614\ub2e4\uba74, \uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \ub354 \ubcf5\uc7a1\ud55c \ub85c\uc9c1\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc0c1\ud669\uc5d0\uc11c \uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc744 \uc801\uc808\ud788 \uc0ac\uc6a9\ud558\uc5ec \uc720\uc6a9\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud574\ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n
6. \ub2e4\uc74c \ub2e8\uacc4<\/h2>\n
\uc870\uac74\ubb38\uacfc \ubc18\ubcf5\ubb38\uc744 \ub9c8\uc2a4\ud130\ud588\uc73c\ub2c8, \ub2e4\uc74c \ub2e8\uacc4\ub294 \ub370\uc774\ud130 \uad6c\uc870\uc640 \uc54c\uace0\ub9ac\uc998\uc744 \ubc30\uc6b0\ub294 \uac83\uc785\ub2c8\ub2e4. \ub9ac\uc2a4\ud2b8, \ub9f5 \ub4f1\uc744 \ud65c\uc6a9\ud558\uc5ec \uc571\uc758 \uae30\ub2a5\uc744 \ud655\uc7a5\ud574\ubcf4\uc138\uc694. \uadf8\ub9ac\uace0 \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ub354\uc6b1\ub354 \ud48d\ubd80\ud558\uac8c \ud558\uae30 \uc704\ud574 \uc774\ubca4\ud2b8 \ucc98\ub9ac\uc5d0 \ub300\ud574\uc11c\ub3c4 \ubc30\uc6cc\uc57c \ud569\ub2c8\ub2e4.<\/p>\n