Options for above program
Anonymous Quiz
25%
[null,400,100,300]
25%
[null,null,100,300,400,null,100,300]
40%
Compilation Problem
10%
None of these
public class Program
{
public static void main(String[] args) {
try{
int sum=5;
for(int i=-1;i<5;++i){
sum=sum/i;
}
}catch(ArithmeticException e){
System.out.println("0");
}
System.out.println(sum);
}
}
{
public static void main(String[] args) {
try{
int sum=5;
for(int i=-1;i<5;++i){
sum=sum/i;
}
}catch(ArithmeticException e){
System.out.println("0");
}
System.out.println(sum);
}
}
Which method will contain the block of code to be executed when thread starts?
Anonymous Quiz
37%
Main
26%
Start
7%
Execute
30%
Run
public class Program
{
static double overloadedMethod(int i,double d){
return d *= i;
}
static double overloadedMethod(double d,int i){
return i += d;;
}
public static void main(String[] args) {
System.out.println(overloadedMethod(100,100));
}
}
{
static double overloadedMethod(int i,double d){
return d *= i;
}
static double overloadedMethod(double d,int i){
return i += d;;
}
public static void main(String[] args) {
System.out.println(overloadedMethod(100,100));
}
}
Options For above program
Anonymous Quiz
32%
Compilation Error
24%
Runtime Error
28%
10000
12%
10000.0
4%
200
For listing the objects within an ArrayList, which of the following options are available.
1) An Iterator
2) A ListIterator 3) An Enumeration
1) An Iterator
2) A ListIterator 3) An Enumeration
Anonymous Quiz
8%
1
31%
1 and 2
54%
1 and 2 and 3
8%
1 and 3
class Parent{
public int index=1;
}
public class Program extends Parent
{
public Program(int index){
index=index;
}
public static void main(String[] args) {
Program p=new Program(10);
System.out.println(p.index);
}
}
public int index=1;
}
public class Program extends Parent
{
public Program(int index){
index=index;
}
public static void main(String[] args) {
Program p=new Program(10);
System.out.println(p.index);
}
}
public class Program
{
int val;
public Program(int _val){
val=_val;
}
public static void main(String[] args) {
Program p=new Program();
Program p=new Program(10);
}
}
{
int val;
public Program(int _val){
val=_val;
}
public static void main(String[] args) {
Program p=new Program();
Program p=new Program(10);
}
}
Options for above program
Anonymous Quiz
35%
Compilation error due to missing default constructor
20%
Compilation error due to constructor having a return type
35%
Compilation error due to missing parameterized constructor
10%
No Compilation Error. Object a has Val value of 0(zero) while object b has val value of 20
import java.util.ArrayList;
public class Program
{
public static void main(String[] args) {
ArrayList a=new ArrayList();
a.add("C");
a.add("E");
a.add("B");
a.add("D");
a.add("A");
a.add("Z");
a.add("M");
a.remove(1);
a.remove(3);
a.add(2,a.get(3));
a.add(a.size()+" ");
a.remove(3);
System.out.println(a);
}
}
public class Program
{
public static void main(String[] args) {
ArrayList a=new ArrayList();
a.add("C");
a.add("E");
a.add("B");
a.add("D");
a.add("A");
a.add("Z");
a.add("M");
a.remove(1);
a.remove(3);
a.add(2,a.get(3));
a.add(a.size()+" ");
a.remove(3);
System.out.println(a);
}
}
Options for above program
Anonymous Quiz
11%
E,A,B,Z,M,6
29%
E,A,Z,M,5
18%
C,A,Z,M,5
25%
C,B,Z,Z,M,6
18%
None of these
import java.util.ArrayList;
public class Program
{
public static void main(String[] args) {
String s1="Hello World";
String s2=new String("Hello World");
String s3=s2.intern();
System.out.println((s1==s2)+" "+(s2==s3)+" "+(s1==s3));
}
}
public class Program
{
public static void main(String[] args) {
String s1="Hello World";
String s2=new String("Hello World");
String s3=s2.intern();
System.out.println((s1==s2)+" "+(s2==s3)+" "+(s1==s3));
}
}
Options for above program
Anonymous Quiz
24%
False false false
38%
True true true
24%
False true true
14%
False false true
import java.util.ArrayList;
public class Program
{
public static void main(String[] args) {
int i=0;
char[] chArray=new char[20];
chArray={'a','b','c'};
System.out.println(chArray[i = +2]});
}
}
public class Program
{
public static void main(String[] args) {
int i=0;
char[] chArray=new char[20];
chArray={'a','b','c'};
System.out.println(chArray[i = +2]});
}
}
Consider the following code fragment
Rectangle r1 = new Rectangle();
r1.setColor(Color.blue); Rectangle r2 = r1; r2.setColor(Color.red); After the above piece of code is executed, what are the colors of r1 and r2 (in this order)?
Rectangle r1 = new Rectangle();
r1.setColor(Color.blue); Rectangle r2 = r1; r2.setColor(Color.red); After the above piece of code is executed, what are the colors of r1 and r2 (in this order)?
Anonymous Quiz
30%
17%
17%
0%
None of the above.
What is the type and value of the following expression? (Notice the integer division)
-4 + 1/2 + 2*-3 + 5.0
-4 + 1/2 + 2*-3 + 5.0
Anonymous Quiz
11%
int -5
48%
double -4.5
11%
int -4
22%
double -5.0
7%
None of the above.