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SubStrings.java
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83 lines (74 loc) · 1.53 KB
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/**
*
*/
import java.util.*;
/**
* @author M.NAVEEN
* RANDOM CODER'S
* Tech/Project Lead Android Club
*/
public class SubStrings
{ String str;
ArrayList <String> n=new ArrayList<>();
static Scanner nav=new Scanner(System.in);
public SubStrings(String str)
{
this.str=str;
}
public void Substr()
{
for(int i=0;i<str.length();i++)
{
for(int j=i+1;j<=str.length();j++)
{
n.add(str.substring(i, j));
}
}
System.out.println("Substring of String "+str +" are :");
System.out.println(n);
}
public void UpperCase()
{ //str=str.toUpperCase();
char st[]=str.toCharArray();
for(int i=0;i<st.length;i++)
{
if((int)st[i]<=122 && (int)st[i]>=97)
{
st[i]=(char)((int)st[i]-32);
}
}
System.out.println(Arrays.toString(st));
}
public void ToLowerCase()
{ //str=str.toUpperCase();
char st[]=str.toCharArray();
for(int i=0;i<st.length;i++)
{
if((int)st[i]<=90 && (int)st[i]>=65)
{
st[i]=(char)((int)st[i]+32);
}
}
System.out.println(Arrays.toString(st));
}
public static void main(String[] args)
{
System.out.println(" Enter a String :");
String s=nav.nextLine();
SubStrings temp=new SubStrings(s);
while(true)
{
System.out.println("1)SubString \n2)TOupperCase \n3)TOlowerCase \n4)Exit()");
switch(nav.nextInt())
{
case 1: temp.Substr();
break;
case 2:temp.UpperCase();
break;
case 3: temp.ToLowerCase();
break;
case 4:System.exit(0);
}
}
}
}