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View Compilation Error

0_0_14549033_16925\Main.java:25: 错误: 非法字符: '\u2018'
        if (op1 == ‘*‘ || op1 == ‘/‘) {  
                   ^
0_0_14549033_16925\Main.java:25: 错误: 非法的表达式开始
        if (op1 == ‘*‘ || op1 == ‘/‘) {  
                    ^
0_0_14549033_16925\Main.java:25: 错误: 非法字符: '\u2018'
        if (op1 == ‘*‘ || op1 == ‘/‘) {  
                     ^
0_0_14549033_16925\Main.java:25: 错误: 非法的表达式开始
        if (op1 == ‘*‘ || op1 == ‘/‘) {  
                       ^
0_0_14549033_16925\Main.java:25: 错误: 需要';'
        if (op1 == ‘*‘ || op1 == ‘/‘) {  
                             ^
0_0_14549033_16925\Main.java:25: 错误: 非法字符: '\u2018'
        if (op1 == ‘*‘ || op1 == ‘/‘) {  
                                 ^
0_0_14549033_16925\Main.java:25: 错误: 非法字符: '\u2018'
        if (op1 == ‘*‘ || op1 == ‘/‘) {  
                                   ^
0_0_14549033_16925\Main.java:26: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                       ^
0_0_14549033_16925\Main.java:26: 错误: 非法的表达式开始
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                        ^
0_0_14549033_16925\Main.java:26: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                         ^
0_0_14549033_16925\Main.java:26: 错误: 非法的表达式开始
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                           ^
0_0_14549033_16925\Main.java:26: 错误: 需要';'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                                 ^
0_0_14549033_16925\Main.java:26: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                                     ^
0_0_14549033_16925\Main.java:26: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                                       ^
0_0_14549033_16925\Main.java:28: 错误: 有 'if', 但是没有 'else'
            } else {  
              ^
0_0_14549033_16925\Main.java:32: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                       ^
0_0_14549033_16925\Main.java:32: 错误: 非法的表达式开始
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                        ^
0_0_14549033_16925\Main.java:32: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                         ^
0_0_14549033_16925\Main.java:32: 错误: 非法的表达式开始
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                           ^
0_0_14549033_16925\Main.java:32: 错误: 需要';'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                                 ^
0_0_14549033_16925\Main.java:32: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                                     ^
0_0_14549033_16925\Main.java:32: 错误: 非法字符: '\u2018'
            if (op2 == ‘*‘ || op2 == ‘/‘) {  
                                       ^
0_0_14549033_16925\Main.java:34: 错误: 有 'if', 但是没有 'else'
            } else {  
              ^
0_0_14549033_16925\Main.java:31: 错误: 有 'if', 但是没有 'else'
        } else {  
          ^
0_0_14549033_16925\Main.java:42: 错误: 非法字符: '\u2018'
        case ‘+‘:  
             ^
0_0_14549033_16925\Main.java:42: 错误: 非法字符: '\u2018'
        case ‘+‘:  
               ^
0_0_14549033_16925\Main.java:42: 错误: 不是语句
        case ‘+‘:  
              ^
0_0_14549033_16925\Main.java:42: 错误: 非法的表达式开始
        case ‘+‘:  
                ^
0_0_14549033_16925\Main.java:42: 错误: 需要';'
        case ‘+‘:  
                 ^
0_0_14549033_16925\Main.java:43: 错误: 不是语句
            return (num1 + num2);  
                   ^
0_0_14549033_16925\Main.java:44: 错误: 非法字符: '\u2018'
        case ‘-‘:  
             ^
0_0_14549033_16925\Main.java:44: 错误: 非法字符: '\u2018'
        case ‘-‘:  
               ^
0_0_14549033_16925\Main.java:44: 错误: 不是语句
        case ‘-‘:  
              ^
0_0_14549033_16925\Main.java:44: 错误: 非法的表达式开始
        case ‘-‘:  
                ^
0_0_14549033_16925\Main.java:44: 错误: 需要';'
        case ‘-‘:  
                 ^
0_0_14549033_16925\Main.java:45: 错误: 不是语句
            return num1 - num2;  
                        ^
0_0_14549033_16925\Main.java:46: 错误: 非法字符: '\u2018'
        case ‘*‘:  
             ^
0_0_14549033_16925\Main.java:46: 错误: 非法的表达式开始
        case ‘*‘:  
              ^
0_0_14549033_16925\Main.java:46: 错误: 非法字符: '\u2018'
        case ‘*‘:  
               ^
0_0_14549033_16925\Main.java:46: 错误: 非法的表达式开始
        case ‘*‘:  
                ^
0_0_14549033_16925\Main.java:46: 错误: 需要';'
        case ‘*‘:  
                 ^
0_0_14549033_16925\Main.java:47: 错误: 不是语句
            return num1 * num2;  
                        ^
0_0_14549033_16925\Main.java:48: 错误: 非法字符: '\u2018'
        case ‘/‘:  
             ^
0_0_14549033_16925\Main.java:48: 错误: 非法的表达式开始
        case ‘/‘:  
              ^
0_0_14549033_16925\Main.java:48: 错误: 非法字符: '\u2018'
        case ‘/‘:  
               ^
0_0_14549033_16925\Main.java:48: 错误: 非法的表达式开始
        case ‘/‘:  
                ^
0_0_14549033_16925\Main.java:48: 错误: 需要';'
        case ‘/‘:  
                 ^
0_0_14549033_16925\Main.java:49: 错误: 不是语句
            return num1 / num2;  
                        ^
48 个错误


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