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Program 1:  Write a program to use variables and data types.

                 1   class variables_of_java
                 2       {

                 3     public static void main(String args[])
                 4           {

                 5                 byte b=127;
                 6                 short s=12345;

                 7                 int i=12345;

                 8                 long l=123456789;
                 9                 float f=234.56f;

                 10                double d=222356.3456;

                 11                char c='a';
                 12                boolean bo=true;

                 13                System.out.println("byte: "+b);

                 14                System.out.println("short: "+s);
                 15                System.out.println("int: "+i);

                 16                System.out.println("long: "+l);
                 17                System.out.println("float: "+f);

                 18                System.out.println("double: "+d);
                 19              System.out.println("char: "+c);

                 20      }

                 21  }
                 You will get the following output:































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