Below is a program that demonstrates the most used StringBuilder constructors in Java.
public class Main { public static void main(String[] args) { StringBuilder sb1 = new StringBuilder(); StringBuilder sb2 = new StringBuilder(5); StringBuilder sb3 = new StringBuilder("Hello World"); System.out.printf("StringBuilder I = \"%s\"\n", sb1); System.out.printf("StringBuilder II = \"%s\"\n", sb2); System.out.printf("StringBuilder III = \"%s\"\n", sb3); } }
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