Java के Data Types

public class Main {
	public static void main(String[] args) {
		int number = 5;       // primitive
		String text = "Hi";   // reference type - points to an object on the heap
		System.out.println(number + " " + text);
	}
}

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public class Main {
	public static void main(String[] args) {
		int population = 2_100_000_000; // near int's ~2.1 billion limit
		long worldPopulation = 8_000_000_000L; // needs long - exceeds int's range
		System.out.println(population + " " + worldPopulation);
	}
}

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public class Main {
	public static void main(String[] args) {
		float f = 3.14f;
		double d = 3.14159265358979; // double holds roughly twice the significant digits
		System.out.println(f + " " + d);
	}
}

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// Define the class Main
public class Main {
	// Program entry point: the JVM starts running here
	public static void main(String[] args) {
		// Declare grade and set it to 'A'
		char grade = 'A';
		// Declare passed and set it to true
		boolean passed = true;
		// Print a line to the console
		System.out.println(grade + " " + passed);
	}
}

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public class Main {
	public static void main(String[] args) {
		String a = new String("hi");
		String b = new String("hi");
		System.out.println(a == b);        // false - compares memory addresses
		System.out.println(a.equals(b));   // true - compares actual text content
	}
}

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