【笔试题】Overloading in Java

笔试题 Overloading in Java

Question 1 以下程序的输出结果为( )。

public class Test {
    public int getData() {
        return 0;
    }

    public long getData() {
        return 1;
    }

    public static void main(String[] args) {
        Test obj = new Test();
        System.out.println(obj.getData());
    }
}

a) 1

b) 0

c) Runtime error

d) Compilation error

参考答案

```
d
```

Question 2 以下程序的输出结果为( )。

public class Test {
    public int getData(String temp) throws IOException {
        return 0;
    }

    public int getData(String temp) throws Exception {
        return 1;
    }

    public static void main(String[] args) {
        Test obj = new Test();
        System.out.println(obj.getData("GFG"));
    }
}

a) 0

b) 1

c) Compilation error

d) Runtime error

参考答案

```
c
```

Question 3 以下程序的输出结果为( )。

public class Test {
    private String function() {
        return ("GFG");
    }

    public final static String function(int data) {
        return ("GeeksforGeeks");
    }

    public static void main(String[] args) {
        Test obj = new Test();
        System.out.println(obj.function());
    }
}

a) Compilation error

b) Runtime error

c) GFG

d) None of these

参考答案

```
c
```

Question 4 以下程序的输出结果为( )。

public class Test {
    private String function(String temp, int data) {
        return ("GFG");
    }

    private String function(int data, String temp) {
        return ("GeeksforGeeks");
    }

    public static void main(String[] args) {
        Test obj = new Test();
        System.out.println(obj.function(4, "GFG"));
    }
}

a) GFG

b) GeeksforGeeks

c) Compilation error

d) Runtime error

参考答案

```
b
```

Question 5 以下程序的输出结果为( )。

public class Test {
    private String function(String temp, int data, int sum) {
        return ("GFG");
    }

    private String function(String temp, int data) {
        return ("GeeksforGeeks");
    }

    public static void main(String[] args) {
        Test obj = new Test();
        System.out.println(obj.function("GFG", 0, 20));
    }
}

a) GFG

b) Compilation error

c) Runtime error

d) GeeksforGeeks

参考答案

```
a
```

Question 6 以下程序的输出结果为( )。

public class Test {
    private String function(float i, int f) {
        return ("gfg");
    }

    private String function(double i, double f) {
        return ("GFG");
    }

    public static void main(String[] args) {
        Test obj = new Test();
        System.out.println(obj.function(1., 20));
    }
}

a) GFG

b) Compilation error

c) Runtime error

d) GeeksforGeeks

参考答案

```
a
```

参考链接

• https://www.geeksforgeeks.org/output-java-program-set-22-overloading/