Data Types in Java

public class P007_DataTypes
{
 public static void main(String args[])
 {
  int aint;
  float afloat;
  double adouble;
  boolean aboolean;
  
  //aint=9999999999; Compilation error (number too large)
  //afloat=8888888.888; error
  aint=10;
  
  afloat=2;
  //afloat=2.5; 
  afloat=2.3f;
  adouble=7777777.77;
  
  //afloat=adouble; Error
  afloat=(float) adouble;
  
  adouble=afloat;
  
  //aboolean=2; (incompatible type)
  aboolean=false;

  System.out.println("aint= " + aint +
       " afloat=" + afloat +
       " adouble=" + adouble +
       " aboolean=" + aboolean);
 }
}

Output:

aint= 10 afloat=7.7777776E7 adouble=7.7777776E7 aboolean=false