String : Sateesh kumar
Count words: 2
import java.util.*;
class TokenizerDemo
{
public static void main(String args[])
{
String s="Hello students ,welcome to msk tutorials";
StringTokenizer st=new StringTokenizer(s," ");
int count=0;
while(st.hasMoreTokens())
{
count++;
st.nextToken()
}
System.out.pritln("Number of Words are"+ count);
}
}
String : Sateesh kumar
Count words: 2
more programs visit http://sateeshm.com/
public class Demo1 {
public static void main(String[] args) {
String s="sateesh";
int count=0,len=0;
while(len!=1)
{
char name[]=s.toCharArray();
len=name.length;
count=0;
for(int j=0;j<len;j++)
{
if((name[0]==name[j])&&((name[0]>=65&&name[0]<=91)|| (name[0]>=97&&name[0]<=123)))
count++;
}
if(count!=0)
System.out.println(name[0]+" "+count+" Times");
s=s.replace(""+name[0],"");
}
}
}
Output:
Char: S, Count: 2 times.
Char: a, Count: 1 times.
Char: t, Count: 1 times.
Char: e, Count: 2 times.
Char: h, Count: 1 times.
more programs visit http://sateeshm.com/
String str1="sateesh";
String str2="sateehs";
import java.util.Arrays;
public class Demo1 {
public static void main(String[] args) {
String str1="sateesh";
String str2="sateehs";
boolean [] char_set = new boolean[256];
boolean [] char_set1 = new boolean [256];
for(int i =0;i<str1.length();i++){
int val1 = str1.charAt(i);
int val2 = str2.charAt(i);
char_set[val1] = true;
char_set1[val2] = true;
}
if(Arrays.equals(char_set, char_set1)){
System.out.println("Same");
}
else
{
System.out.println("Not a same");
}
}
}
Output:
same
more programs visit http://sateeshm.com/
public class Demo1 {
public static void main(String[] args) {
String s="MSK Technologies";
String[] words = s.split(" ");
int x,y;
String reverseString = "";
for ( x = 0; x < words.length; x++)
{
String word = words[x];
String reverseWord = "";
for ( y = word.length()-1; y >= 0; y--)
{
reverseWord = reverseWord + word.charAt(y);
}
reverseString = reverseString + reverseWord + " ";
}
System.out.println(s);
System.out.println(reverseString);
}
}
Output:
KSM seigolonhceT
more programs visit http://sateeshm.com/
public class Demo200 {
public static void main(String[] args) {
String s="codedecode";
char ch='e';
for (int i = 0; i < s.length(); i++)
{
if (s.charAt(i) == ch)
{
s = s.substring(0, i) +
s.substring(i + 1);
break;
}
}
for (int i = s.length() - 1; i > -1; i--)
{
if (s.charAt(i) == ch)
{
s = s.substring(0, i) +
s.substring(i + 1);
break;
}
}
System.out.println(s);
}
}
Output:
coddecod
more programs visit http://sateeshm.com/
public class Demo200 {
public static void main(String[] args) {
String s="sateesh";
StringBuffer str=new StringBuffer(s);
for (int i = 0; i < str.length(); i++)
{
int flag = 0;
for (int j = 0; j < str.length(); j++)
{
if (str.charAt(i) == str.charAt(j) && i != j)
{
flag = 1;
break;
}
}
if (flag == 0)
System.out.print(str.charAt(i));
}
}
}
Output:
3
more programs visit http://sateeshm.com/
