package JavaBasic;

public class Variables {

static int z = 12; // Static variable

public int h = 12; // Instance variable

public static void main(String[] args) {

System.out.println("variables in java");

// Static variable

//it can be accessed anywhere in the program with out creating the instance

// of the class and a change at one place in the varible is reflected in every part

// of the code where the variable is used

System.out.println("Static variable z: " + z);

// Call a static method

sum(z);

// Create an instance to access the instance variable

Variables obj = new Variables();

System.out.println("Instance variable h: " + obj.h);

// Local variable demonstration

int a = 10; // Local variable

if (a > 5) {

int b = 5; // Local variable inside block

System.out.println("Local variable b: " + b);

a += b;

}

System.out.println("Local variable a after modification: " + a);

}

public static void sum(int num) {

System.out.println("Sum of num and z: " + (num + z));

}

}