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PrintSubsequences.java

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package practice;

public class PrintSubsequences {

public static void PrintSub(String input,String OutputSoFar)

{

if(input.length()==0)

{

System.out.println(OutputSoFar);

return;

}

PrintSub(input.substring(1),OutputSoFar);

PrintSub(input.substring(1), OutputSoFar+input.charAt(0));

}

public static void PrintSub(String input)

{

PrintSub(input,"");

}

public static void main(String[] args) {

PrintSub("xyz");

}

}