Java Class 4 Data Type

package executionstep;


public class DataType {
    public static void main(String [] args){
   
    int i = 5;
    double d =10.5;
    float f=10;
    char c='u';
    short s=5278;
    boolean b=true;
   
        System.out.println("int = "+i);
        System.out.println("double = "+d);
        System.out.println("float = "+f);
        System.out.println("char = "+c);
        System.out.println("short = "+s);
        System.out.println("boolean = "+b);
    }
   
}

Java class 3 Comment

package basicjava;


public class CommentDemo {
    public static void main(String [] args){
        //Display my name
       System.out.println( "Asadul Islam");
       /*
       Display my Phone number
       and Age.
       */
       System.out.println( "01824115916\n23 Years Old");
    }
}

JAva class 2

package basicjava;

public class Escape {
    public static void main(String[] args) {
        System.out.println("1\n2\n3\n4");
        System.out.println("1\t2\t3\t4");
        System.out.println("1\b2\b3\b4");
        System.out.println("1\r2\r3\r4");
        System.out.println("1\n2\n3\n4");
    }
   
}

Java class 1

package basicjava;

public class BioData {
    public static void main(String[] args){
        System.out.println("Asadul islam");
        System.out.println("01857384887");
    } 
}