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System.out.println(s1.concat(“race”));
Output:- javarace ❮ Previous Next ❯
STRING
In general, a string is nothing but a sequence of characters identified by double quote(" ").
In java,Programming each string is an object.
Java supports 4-inbuilt classes specifically used to represent and manipulate strings like:
String,StringBuffer,StringBuilder,StringTokenizer .
String Class:
String is an inbuilt class present in java.lang package, specifically used to represent and manipulate strings.
In this context there are two approaches two represent strings which are as followed:
(Approach 1):
- String s1= “java”;
- String s2= “race”;
- String s3= “java”;
(SCP --- STRING CONSTANT POOL)
(Approach 2):
- String s1= new string(“java”);
- String s2= new string (“race”);
- String s3= new string(“java”);
| S1_ _ _ _ _ |
|---|
- Here, each strings are immutable ( non- changeable behaviour).
Example:
String s1= “java”;System.out.println(s1.concat(“race”));
Output:- javarace ❮ Previous Next ❯
