java-basics/core-java/strings/StringJoinerClass.java at patch-1 · CodeForHunger/java-basics · GitHub

39 lines (28 loc) · 841 Bytes

package strings;

import java.util.ArrayList;

import java.util.StringJoiner;

public class StringJoinerClass {

public static void main(String[] args) {

ArrayList<String> a1 = new ArrayList<>();

a1.add("Ram");

a1.add("Shyam");

a1.add("Alice");

a1.add("Bob");

StringJoiner sj1 = new StringJoiner(", ");

// SetEmptyValue() method

sj1.setEmptyValue("sj1 is empty");

System.out.println(sj1);

// add() method

sj1.add(a1.get(0)).add(a1.get(1));

System.out.println(sj1);

// length method

System.out.println("Length of string: " + sj1.length());

StringJoiner sj2 = new StringJoiner(" : ");

sj2.add(a1.get(2)).add(a1.get(3));

// merge() method

sj1.merge(sj2);

// toString() method

System.out.println(sj1.toString());

System.out.println("Length of new string: " + sj1.length());

}

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