JAVA – Telegram

JAVA

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);
}
}

151 views05:34

JAVA

Options for above program

Anonymous Quiz

24 voters153 views05:35

JAVA

Which method will contain the block of code to be executed when thread starts?

Anonymous Quiz

27 voters160 views05:36

JAVA

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));
}
}

168 views05:41

JAVA

Options For above program

Anonymous Quiz

25 voters175 views05:42

JAVA

For listing the objects within an ArrayList, which of the following options are available.
1) An Iterator
2) A ListIterator 3) An Enumeration

Anonymous Quiz

26 voters184 views05:46

JAVA

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);
}
}

189 views09:55

JAVA

Options for above program

Anonymous Quiz

25 voters194 views09:56

JAVA

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);
}
}

200 views17:23

JAVA

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

20 voters206 views17:26

JAVA

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);
}
}

204 views17:31

JAVA

Options for above program

Anonymous Quiz

28 voters202 views17:33

JAVA

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));
}
}

213 views17:37

JAVA

Options for above program

Anonymous Quiz

29 voters217 views17:38

JAVA

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]});
}
}

222 views17:41

JAVA

Options For above program

Anonymous Quiz

28 voters227 views17:42

JAVA

218 views15:57

JAVA

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)?

Anonymous Quiz

30%