1)Reverse each word in a sentence
input: java is fun
output:avaj si nuf
import java.util.*;
class ASC
{
public static void main(String args[])
{
String a=”java is fun”;
String b[]=a.split(” “);//b[java–>0 is–>1 fun–>2]
for(String c:b)//c=fun
{
StringBuilder s=new StringBuilder(c);//(fun)
System.out.print(s.reverse()+” “);//avaj si nuf
}
}
}
———————————–
2)Count words in a sentence
input: java is easy
output:3
import java.util.*;
class ASC
{
public static void main(String args[])
{
String a=”java is fun”;
String b[]=a.split(” “);b[0–>java 1–>is 2–>fun)
System.out.println(“count=” +b.length);
}
}
————————————-
3)Replace a word in a sentence
input=I like java
output=I like python
import java.util.*;
class ASC
{
public static void main(String args[])
{
String a=”java is fun”;
String b=a.replace(“fun”,”easy”);
System.out.println(b);
}
}