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package JavaSessions;

//hi this is my first java code

/*hi this is

my first java code

im so happy

*/

public class DataTypes {

public static void main(String[] args) {

//primitive data types: int, double, char, boolean

//data types:

//1. int:

int i = 10;

i = 20;

i = 30;

int j = 40;

int k = -10;

int p = 0;

System.out.println(i);

System.out.println(k);

System.out.println(i+j);

//2. double:

double d1 = 12.33;

double d2 = -12.33;

double d3 = 100;

System.out.println(d1);

System.out.println(d1+d2);

//3. char:

char c1 = 'a';

char c2 = '1';

char c3 = '$';

char gender = 'M';

//4. boolean:

boolean b1 = true;

boolean b2 = false;

//5. String: is a class in java, not a data type

String s1 = "Hello World";

String s2 = "Hey this is my java code";

String s3 = "100";

String s4 = "12.33";

System.out.println(s2);

System.out.println(1000);

System.out.println(12.45);

System.out.println("Hello World");

}

}