Compare 2 sets and check that one contains all members of the other. - Java java.util

Java examples for java.util:Set Operation

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Description

Compare 2 sets and check that one contains all members of the other.

Demo Code


//package com.java2s;

import java.util.HashSet;

import java.util.Set;

public class Main {
    /**/*from w  w  w  . java 2  s  .c o  m*/
     * Compare 2 sets and check that one contains all members of the other.
     * 
     * @param target set of strings to check
     * @param members the members to compare to
     * @return true if all members are in the target
     */
    public static boolean containsAll(Set<String> target,
            Set<String> members) {
        target = new HashSet<String>(target);
        target.retainAll(members);
        return target.size() == members.size();
    }
}

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