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View Compilation Error

0_0_39048686_13803\Main.java:2: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_39048686_13803\Main.java:5: 错误: 需要class, interface或enum
        int a,b ;
        ^
0_0_39048686_13803\Main.java:6: 错误: 需要class, interface或enum
        while(scanner.hasNext())
        ^
0_0_39048686_13803\Main.java:9: 错误: 需要class, interface或enum
            b=scanner.nextInt();
            ^
0_0_39048686_13803\Main.java:10: 错误: 需要class, interface或enum
            System.out.println(a*b/gcd(a,b));
            ^
0_0_39048686_13803\Main.java:11: 错误: 需要class, interface或enum
        }
        ^
0_0_39048686_13803\Main.java:14: 错误: 需要class, interface或enum
    public static int gcd(int numOne, int numTwo)
                  ^
0_0_39048686_13803\Main.java:19: 错误: 需要class, interface或enum
            numOne =numTwo;
            ^
0_0_39048686_13803\Main.java:20: 错误: 需要class, interface或enum
            numTwo = temp;
            ^
0_0_39048686_13803\Main.java:21: 错误: 需要class, interface或enum
        }
        ^
0_0_39048686_13803\Main.java:25: 错误: 需要class, interface或enum
        }
        ^
0_0_39048686_13803\Main.java:27: 错误: 需要class, interface或enum
    }
    ^
12 个错误


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