What will be the output of this java code?
class output
{
public static void main(String args[])
{
double a, b,c;
a = 3.0/0;
b = 0/4.0;
c=0/0.0;
System.out.println(a);
System.out.println(b);
System.out.println(c);
}
}
What is the output of this java program?
class increment
{
public static void main(String args[])
{
int g = 3;
System.out.print(++g * 8);
}
}
What is the output of this java program?
class operators
{
public static void main(String args[])
{
int var1 = 5;
int var2 = 6;
int var3;
var3 = ++ var2 * var1 / var2 + var2;
System.out.print(var3);
}
}
What is the valid data type for variable “a” to print “Hello World” in java?
switch(a)
{
System.out.println("Hello World");
}
What is the output of this java program?
class string_class
{
public static void main(String args[ ])
{
String obj = "hello";
String obj1 = "world";
String obj2 = "hello";
System.out.println(obj.equals(obj1) + " " + obj.equals(obj2));
}
}
What is the output of this java program?
class Abc
{
public static void main(String[]args)
{
String[] elements = { "for", "tea", "too" };
String first = (elements.length > 0) ? elements[0]: null;
}
}
What is the output of this java program?
class String_demo
{
public static void main(String args[])
{
int ascii[] = { 65, 66, 67, 68};
String s = new String(ascii, 1, 3);
System.out.println(s);
}
}
What is the output of this java program?
class A
{
int i;
int j;
A()
{
i = 1;
j = 2;
}
}
class Output
{
public static void main(String args[])
{
A obj1 = new A();
System.out.print(obj1.toString());
}
}
What is the output of this java program?
class output
{
public static void main(String args[])
{
String c= "Hello i love java";
int start = 2;
int end = 9;
char s[]=new char[end-start];
c.getChars(start,end,s,0);
System.out.println(s);
}
}
What is the output of this java program?
class bitwise_operator
{
public static void main(String args[])
{
int var1 = 42;
int var2 = ~var1;
System.out.print(var1 + " " + var2);
}
}
Which of these functions is called to display the output of an applet ?
Which of these methods can be used to output a string in an applet?
What is the Message displayed in the applet made by this program?
import java.awt.*;
import java.applet.*;
public class myapplet extends Applet
{
public void paint(Graphics g)
{
g.drawString("A Simple Applet", 20, 20);
}
}
What is the length of the application box made by this program?
import java.awt.*;
import java.applet.*;
public class myapplet extends Applet
{
public void paint(Graphics g)
{
g.drawString("A Simple Applet", 20, 20);
}
}
What is the output of this java program?
import java.io.*;
class Chararrayinput
{
public static void main(String[] args)
{
String obj = "abcdefgh";
int length = obj.length();
char c[] = new char[length];
obj.getChars(0, length, c, 0);
CharArrayReader input1 = new CharArrayReader(c);
CharArrayReader input2 = new CharArrayReader(c, 1, 4);
int i;
int j;
try
{
while((i = input1.read()) == (j = input2.read()))
{
System.out.print((char)i);
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
What is the output of this java program?
class output
{
public static void main(String args[])
{
char c[]={'a', '1', 'b' ,' ' ,'A' , '0'};
for (int i = 0; i < 5; ++i)
{
if(Character.isDigit(c[i]))
System.out.println(c[i]+" is a digit");
if(Character.isWhitespace(c[i]))
System.out.println(c[i]+" is a Whitespace character");
if(Character.isUpperCase(c[i]))
System.out.println(c[i]+" is an Upper case Letter");
if(Character.isLowerCase(c[i]))
System.out.println(c[i]+" is a lower case Letter");
i=i+3;
}
}
}
What is the output of this java program?
class output
{
public static void main(String args[])
{
String c = "Hello i love java";
boolean var;
var = c.startsWith("hello");
System.out.println(var);
}
}
What is the output of this java program?
class output
{
public static void main(String args[])
{
String chars[] = {"a", "b", "c", "a", "c"};
for (int i = 0; i < chars.length; ++i)
for (int j = i + 1; j < chars.length; ++j)
if(chars[i].compareTo(chars[j]) == 0)
System.out.print(chars[j]);
}
}
What is the output of this java program?
class output
{
public static void main(String args[])
{
String c = " Hello World ";
String s = c.trim();
System.out.println("\""+s+"\"");
}
}
What is the output of this java program?
class output
{
public static void main(String args[])
{
String s = "Hello World";
int i = s.indexOf('o');
int j = s.lastIndexOf('l');
System.out.print(i + " " + j);
}
}
