/Java/Comparable on a generic class java

Comparable on a generic class java

    public class DoubleKey<K extends Comparable<K>, J extends Comparable<J>>
        implements Comparable<DoubleKey<K, J>> {

    private K key1;
    private J key2;

    public DoubleKey(K key1, J key2) {
        this.key1 = key1;
        this.key2 = key2;
    }

    public K getFirstKey() {
        return this.key1;
    }

    public J getSecondKey() {
        return this.key2;
    }

    public int compareTo(DoubleKey<K, J> that) {

        int cmp = this.getFirstKey().compareTo(that.getFirstKey());
        if (cmp == 0)
            cmp = this.getSecondKey().compareTo(that.getSecondKey());
        return cmp;
    }
}

Source: stackoverflow.com

Similar codes

1 vote313 views1 answer
Exponential in java
Java
0 vote303 views1 answer
Java map get if contains else 0
Java
0 vote291 views1 answer
How to check instance
Java
0 vote316 views1 answer
Java application
Java
0 vote340 views1 answer
Metodi di javascritp
Java
0 vote284 views1 answer
How to clear the consol after input java
Java
0 vote312 views3 answers
Zweidimensionales array ausgeben java
Java
0 vote344 views1 answer
Subaray in java by slicing
Java
96 votes299 views7 answers
Initialize array java
Java
2 votes343 views1 answer
How can I do tf idf weighting in scikit learn?
Java