how to print in systemout println in java that you can see the progres of the math and not only the result code example

Example: output java

class Output {
    public static void main(String[] args) {
    	
        System.out.println("1. println ");
        System.out.println("2. println ");
    	
        System.out.print("1. print ");
        System.out.print("2. print");
    }
}