classKW{publicstaticvoidmain(Stringargs[]){System.out.println("———————————————————————————————————————————");System.out.println("Java implementation of Character class");System.out.println("———————————————————————————————————————————");System.out.println(Character.isLetter('S'));System.out.println(Character.isDigit('7'));System.out.println(Character.isUpperCase('S'));System.out.println(Character.isLowerCase('w'));System.out.println(Character.isWhitespace(' '));System.out.println(Character.isWhitespace('\n'));System.out.println(Character.isWhitespace('\t'));System.out.println(Character.isLetter('*'));System.out.println(Character.isDigit('@'));System.out.println(Character.toLowerCase('A'));System.out.println(Character.toUpperCase('a'));System.out.println(Character.toString('Q'));System.out.println("———————————————————————————————————————————");}}
Output
kodingwindow@kw:~$ javac KW.java kodingwindow@kw:~$ java KW
———————————————————————————————————————————
Java implementation of Character class
———————————————————————————————————————————
true
true
true
true
true
true
true
false
false
a
A
Q
———————————————————————————————————————————
kodingwindow@kw:~$
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