Set X

Descriptive Question

QID: 
50

Predict output:

public class ExceptionCheck {

	static int i = 10;

	public static void main(String[] argds) {
		System.out.println(myMethod());
		System.out.println(i);
	}

	public static int myMethod() {
		try {
			throw new RuntimeException();
		} finally {
			i = 12;
		}
	}
}

 

Descriptive Question

QID: 
49

Predict output:

public class PrefixPostfixCheck {

	public static void main(String[] args) {
		int i=5;
		i=i++;
		System.out.println(i);
	}
}

 

Multiple Choice Question

QID: 
48

Given:

interface I {
}

class A implements I {
	
	public void m(){
		
	}
}

abstract class B extends A { //line 1

	public abstract void m(); //line 2
}

class C extends B { //line 3
	
}

 

Select 1 option

A. Class will compile successfully

B. Compilation will fail at line marked as line 1.

C. Compilation will fail at line marked as line 2.

D. Compilation will fail at line marked as line 3.

Multiple Choice Question

QID: 
47

Which statement regarding the following code is correct?

class A{

public int i = 10;

private int j = 20;

}

class B extends A{

private int i = 30; //1

public int k = 40;

}

class C extends B{

}

public class TestClass{

public static void main(String args[]){

C c = new C();

System.out.println(c.i); //2

System.out.println(c.j); //3

System.out.println(c.k);

} }

 

Select 1 option

A. It will print 10 and 40 if //3 is commented.

B. It will print 40 if //2 and //3 are commented.

C. It will not compile because of //1.

D. It will compile if //2 is commented.

E. None of these.

Multiple Choice Question

QID: 
46

Which of the followinf interface declarations are valid.

A.

interface Inter1 {
    
    void myMethod();
    
    class inner {}
}

B.

interface Inter2 {
    
    void myMethod();
    
    static class inner {}
}

C.

interface Inter3 {
    
    void myMethod();
    
    public static class inner {}
}

D.

interface Inter4 {
    
    void myMethod();
    
    public static final class inner {}
}

E.

interface Inter5 {
    
    void myMethod();
    
    public static abstract class inner {}
}

F.

interface Inter6 {
    
    void myMethod();
    
    protected static abstract class inner {}
}

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