1. 初始化
package com.example;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.google.common.collect.Lists;
public class ColTest {
private Set<Integer> testSet = new HashSet<Integer>() {
{
add(110);
add(111);
add(112);
}
};
private List<Integer> testList = new ArrayList<Integer>() {
{
add(110);
add(111);
add(112);
}
};
private List<String> codes = Lists.newArrayList("1", "2", "3", "4");
public static void main(String args) {
}
}
2. 并交补
Java 集合并交补