class Test
{
public static void main(String[] args)
{
try
{
int[] a={10,20,30};
System.out.println(a[0]);//10
System.out.println(a[1]);//20
System.out.println(a[2]);//30
System.out.println(a[3]);//ArrayIndexOutOfBoundsException
}
catch (ArrayIndexOutOfBoundsException ae)
{
System.out.println("boss u r geting ArrayIndexOutOfBoundsException");
System.out.println("check u r code once");
}
}
}
class Test
{
public static void main(String[] args)
{
try
{
String str="123";
int a=Integer.parseInt(str);
System.out.println(a);//conversion(string - int) is good
String str1="abc";
int b=Integer.parseInt(str1);
System.out.println(b);//NumberFormatException
}
catch (NumberFormatException ae)
{
System.out.println("boss u r geting NumberFormatException");
System.out.println("check once u r code");
}
}
}
class Test
{
public static void main(String[] args)
{
try
{
String str="venkat";
System.out.println(str.length());
String str1=null;
System.out.println(str1.length());//NullPointerException
}
catch (NullPointerException ne)
{
}
}
}
class Test
{
public static void main(String[] args)
{
try
{
int a=10/2;
System.out.println(a);//5
int b=10/0;
System.out.println(b);//ArithmeticExceptiom
}
catch (ArithmeticException ne)
{
System.out.println("boss u r geting ArithmeticException");
System.out.println("check once u r code");
}
}
}
class Test
{
public static void main(String[] args)
{
int[] a1=new int[100];
System.out.println(a1.length);//100
int[] a=new int[-9];
System.out.println(a.length);//NegativeArraySizeException
}
}
import java.util.*;
class Test
{
public static void main(String[] args)
{
Scanner s=new Scanner(System.in);
System.out.println("enter first number");
int a=s.nextInt();
System.out.println("enter second number");
int b=s.nextInt();
System.out.println(a+b);
}
}