【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/