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1.
What is the output of the following Java code:
import java.util.*;
class Array {
public static void main(String args[]) {
int array[] = new int[5];
for (int i = 5; i > 0; i--)
array[5 - i] = i;
Arrays.sort(array);
System.out.print(Arrays.binarySearch(array, 2));
}
}
class Array {
public static void main(String args[]) {
int array[] = new int[5];
for (int i = 5; i > 0; i--)
array[5 - i] = i;
Arrays.sort(array);
System.out.print(Arrays.binarySearch(array, 2));
}
}
2.
In Java, which of the following class objects is used to form a dynamic array?
3.
In Java, which of the following is a legacy class?
4.
In Java, which of the following methods is used to allocate memory to an object?
5.
What is the output of the following Java code:
class A {
void show() {
System.out.println("Done");
}
}
public class Main {
public static void main(String[] args) {
A t = new A();
t.show();
}
}
void show() {
System.out.println("Done");
}
}
public class Main {
public static void main(String[] args) {
A t = new A();
t.show();
}
}
6.
What is the output of the following Java code:
class A {
void show() {
System.out.println("Done");
}
}
public class Main {
public static void main(String[] args) {
A t
t.show();
}
}
void show() {
System.out.println("Done");
}
}
public class Main {
public static void main(String[] args) {
A t
t.show();
}
}
7.
What is the output of the following Java code:
class Test {
public static void main(String args[]) {
final int x = 100;
int x = 30;
System.out.println(x);
}
}
public static void main(String args[]) {
final int x = 100;
int x = 30;
System.out.println(x);
}
}
8.
What is the output of the following Java code:
class Test {
public static void main(String args[]) {
int x = -1;
System.out.println(x >>> 29);
}
}
class Test {
public static void main(String args[]) {
int x = -1;
System.out.println(x >>> 29);
}
}
9.
What is the output of the following Java code:
class Test {
public static void main(String args[]) {
int x = -1;
System.out.println(x >>> 30);
}
}
class Test {
public static void main(String args[]) {
int x = -1;
System.out.println(x >>> 30);
}
}
10.
What is the output of the following Java code:
class Main {
public static void main(String args[]) {
Integer x = 1000, y = 1000;
if (x == y)
System.out.println("Same");
else
System.out.println("Not Same");
}
}
public static void main(String args[]) {
Integer x = 1000, y = 1000;
if (x == y)
System.out.println("Same");
else
System.out.println("Not Same");
}
}