View Compilation Error

0_0_1872160_28997\Main.java:9: 需要 ".class"
        while(int a = cin.nextInt(),b = cin.nextInt();){ 
                  ^
0_0_1872160_28997\Main.java:9: 非法的表达式开始
        while(int a = cin.nextInt(),b = cin.nextInt();){ 
                    ^
0_0_1872160_28997\Main.java:9: 需要 ';'
        while(int a = cin.nextInt(),b = cin.nextInt();){ 
                     ^
0_0_1872160_28997\Main.java:9: 非法的表达式开始
        while(int a = cin.nextInt(),b = cin.nextInt();){ 
                         ^
0_0_1872160_28997\Main.java:9: 需要 ';'
        while(int a = cin.nextInt(),b = cin.nextInt();){ 
                                 ^
0_0_1872160_28997\Main.java:9: 非法的表达式开始
        while(int a = cin.nextInt(),b = cin.nextInt();){ 
                                                      ^
6 错误