Click here to watch in Youtube :
https://www.youtube.com/watch?v=KZySy62D1gk&list=UUhwKlOVR041tngjerWxVccw
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Java Tutorial : Java StringBuilder Introduction |
Java Tutorial : Java StringBuilder Introduction |
Java Tutorial : Java StringBuilder Introduction |
public class StringBuilderDemo { public static void main(String[] args) { /* * Constructs a string Builder with no characters in * it and an initial capacity of 16 characters. */ StringBuilder sb1 = new StringBuilder(); System.out.println("sb1 = " + sb1); System.out.println("sb1 capacity = " + sb1.capacity()); System.out.println("-----------------------"); /* * Constructs a string Builder with no characters in * it and the specified initial capacity. */ StringBuilder sb2 = new StringBuilder(50); System.out.println("sb2 = " + sb2); System.out.println("sb2 capacity = " + sb2.capacity()); System.out.println("-----------------------"); /* * Constructs a string Builder initialized to the * contents of the specified string. The initial * capacity of the string Builder is 16 plus the * length of the string argument. */ String str = "Hello"; StringBuilder sb3 = new StringBuilder(str); System.out.println("sb3 = " + sb3); System.out.println("sb3 capacity = " + sb3.capacity()); System.out.println("-----------------------"); /* * Constructs a string Builder that contains the same * characters as the specified CharSequence. The * initial capacity of the string Builder is 16 plus * the length of the CharSequence argument. */ CharSequence charSequence = new StringBuilder("Welcome"); StringBuilder sb4 = new StringBuilder(charSequence); System.out.println("sb4 = " + sb4); System.out.println("sb4 capacity = " + sb4.capacity()); } }
sb1 = sb1 capacity = 16 ----------------------- sb2 = sb2 capacity = 50 ----------------------- sb3 = Hello sb3 capacity = 21 ----------------------- sb4 = Welcome sb4 capacity = 23
https://docs.oracle.com/javase/8/docs/api/index.html?java/lang/StringBuilder.html
Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/StringBuilderDemo_Intro_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StringBuilderDemo_Intro_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/ea6705eb8d861d880326570ef3992b3db7646c7d/BasicJava/StringBuilderDemo_Intro_App/?at=master
See also:
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