StringJoiner

java.util.StringJoiner Java 8 me introduce hua.

Ye multiple strings ko join karta hai with delimiter.

Delimiter ke sath prefix aur suffix bhi add kar sakte hain.

Example 1:

java

StringJoiner sj1 = new StringJoiner("-");
sj1.add("anil");
sj1.add("soft");
sj1.add("java");

System.out.println(sj1);

Output:
anil-soft-java

Example 2:

java

StringJoiner sj2 = new StringJoiner("-", "(", ")");
sj2.add("anil");
sj2.add("soft");
sj2.add("java");

System.out.println(sj2);

Output:
(anil-soft-java)