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EMC Software Engineer Interview Question

"was asked about perm gen in java."
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public class Permutation
    stringBuilder output;
    String input;
    boolean used[];

    public Permutation(String in)
        this.input = in;
        output = new StringBuilder();
        used = new Booolean[n];

    public void Permute(String in)
        if(in.length() == output.length())
        for(int i=0;i<in.length; i++)
            used[i] = true;
            used[i] = false;
            output.setLength(output.length() - 1);
- Zahid on Nov 29, 2013 Flag Response

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