Java program to remove the duplicate charaters in the given String

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Java Program
Removing Duplicate characters in String text

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/*Hello Sir Please comment, Is this ok to write following way without using hashset class.*/

package practice5;

public class {

public static void main(String[] args)
{
String str = "hellomate"; // helomat
String newStr ="";
char[] ch = str.toCharArray();
for(char c : ch)
System.out.print(c);
newStr = newStr+ch[0];

for(int i = 1; i<ch.length; i++)
{

boolean isDuplicate = false;

for(int j =0; j<i; j++)
{
if(ch[i]==ch[j])
{
isDuplicate=true;

}

}
if(isDuplicate==false)
{
newStr = newStr+ch[i];
}

}

}

}

sunnygupta

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Or for
JAVA developers?
I hope you reply Sir

yadojuvennela

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