String

String is an ................

• array of integers

• array of characters

• array of class

• array of data type

Example 1

String s = new String( );

Syntax

String stringobject = new String( );

• Creating String Object : Empty Object

• Creating String Object : Not Empty Object

Example 4

String s = "I have to study for my exams";

Syntax

String stringobject = <string value>;

• Creating String Object : Empty Object

• Creating String Object : Not Empty Object

String country = "Malaysia";

int i = country.length( );

• value of i is 10

• value of i is 6

• value of i is 8

• value of i is 4

String firststring = "Welcome to ";

String secondstring = "Malaysia";

String thirdstring = firststring.concat(secondstring);

System.out.println(thirdstring);

• Malaysia

• Malaysia Welcome to

• Welcome to Malaysia

• Welcome to

Identify are they the method of String Class ?

charAt()

equals()

indexOf()

replace()

trim()

• True.

  All of them are method of String Class

• False.

  All of them are not method of String Classlse