JAVA QUIZ 14

1.Which class has defined the equals(Object o) method?

2.What will happen when you compile and run the following code?

public class Test{
static int i;
public static void main(String[] args) {
Test t = null;
System.out.println(t.i);
}
}

3. What will happen when you compile and run the following code?

class One{
public One(){
System.out.print("One");
}
}

class Two{
public Two(){
System.out.print("Two");
}
}

class Three{
public Three(){
System.out.print("Three");
}
}
public class Test{

static Three three = new Three();
Two two = new Two();
static One one = new One();

public static void main(String[] args) {
System.out.print("Hello");
Test t = new Test();
}
}

4.What will happen when you compile and run the following code?

public class Test{

public static void main(String[] args){
int a = 0;
while(a + 2 < 10){
a += 2;
int b = 10;
while(b - 2 > 0){
b -= 2;
}
}
System.out.println(a + " " + b);
}

}

5.What will happen when you compile and run the following code?

public class Test{

public static void main(String[] args){

int i = 97;

switch(i){
case 95 :
System.out.print("95");
case 96 :
System.out.print("96");
case 'a' :
System.out.print("a");
case 'b' :
System.out.print("b");
case 'c' :
System.out.print("c");
}
}
}

6. What will happen when you compile and run the following code?

public class Test{

public static void main(String[] args) {
int i = 10 + 011 + 12;
System.out.println(i);
}
}

7. A constructor cannot throw any exception. It must handle all the exception itself using try catch block.

8.A constructor can be synchronized.

9.An interface cannot define an inner class.

10. What will happen when you compile and run the following code?

public class Test{

static String time = getTime();
static String currentTime = "5:30";

private static String getTime() {
return currentTime;
}

public static void main(String[] args) {
System.out.println(time);
}
}