Example usage for java.util List clear

Introduction

In this page you can find the example usage for java.util List clear.

Prototype

void clear();

Source Link

Document

Removes all of the elements from this list (optional operation).

Usage

From source file:Main.java

public static void reorder(List originalList, int perm[], List newList) {
    newList.clear();
    int len = originalList.size();
    int[] newPerm = new int[len];
    for (int i = 0; i < len; i++)
        newPerm[perm[i]] = i;/*from   w  w  w  . j  a va  2 s .com*/

    for (int i = 0; i < len; i++)
        newList.add(originalList.get(newPerm[i]));
}

From source file:Main.java

public static void copy(List<Integer> destList, List<Integer> srcList) {
    destList.clear();
    destList.addAll(srcList);/* w ww  .  jav a2 s.co m*/
}

From source file:Main.java

public static void clearList(List list) {
    if (list != null) {
        list.clear();
    }
    list = null;
}

From source file:Main.java

public static List removeDuplicate(List list) {
    HashSet h = new HashSet(list);
    list.clear();
    list.addAll(h);/*  w w  w.  ja va 2s. c om*/
    return list;
}

From source file:Main.java

public static <T> void slice(List<T> oldList, List<T> newList, int start, int len) {
    newList.clear();
    int end = start + len;
    for (int i = start; i < end; i++) {
        newList.add(oldList.get(i));/*from  w  w  w .j  a  v a 2  s.c om*/
    }
}

From source file:Main.java

public static void removeDuplicates(List list) {
    Set set = new LinkedHashSet(list);
    list.clear();
    list.addAll(set);/*from   www .j a v  a2 s.  co  m*/
}

From source file:Main.java

public static List<String> removeDuplicate(List<String> list) {
    HashSet<String> hashSet = new HashSet<String>(list);
    list.clear();
    list.addAll(hashSet);//from w  w w  . java  2 s  .  c o m
    return list;
}

From source file:com.mellanox.hadoop.mapred.UdaShuffleProviderPluginShared.java

static void buildCmdParams(List<String> params, JobConf jobConf) {
    params.clear();

    params.add("-w");
    params.add(jobConf.get("mapred.rdma.wqe.per.conn", "256"));
    params.add("-r");
    params.add(jobConf.get("mapred.rdma.cma.port", "9011"));
    params.add("-m");
    params.add("1");

    params.add("-g");
    params.add(System.getProperty("hadoop.log.dir"));

    params.add("-s");
    params.add(jobConf.get("mapred.rdma.buf.size", "1024"));
}

From source file:Main.java

public static void clearList(List... lists) {
    int length = lists.length;
    for (int i = 0; i < length; i++) {
        List l = lists[i];
        if (l == null) {
            continue;
        }/*from  w  ww .  j  ava  2 s .com*/
        l.clear();
        l = null;
    }
}

From source file:Main.java

public static <T> void clear(List<T> list) {
    if (list == null) {
        list = new ArrayList<T>();
    } else {//from w w  w  .  j  a  v  a  2s.c o m
        list.clear();
    }
}