Example usage for java.util ArrayList lastIndexOf

Introduction

In this page you can find the example usage for java.util ArrayList lastIndexOf.

Prototype

public int lastIndexOf(Object o) 

Source Link

Document

Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.

Usage

From source file:Main.java

public static void main(String[] args) {

    ArrayList<String> arrlist = new ArrayList<String>(5);

    arrlist.add("G");
    arrlist.add("E");
    arrlist.add("F");
    arrlist.add("M");
    arrlist.add("E");
    arrlist.add("from java2s.com");

    System.out.println("Size of list: " + arrlist.size());

    System.out.println(arrlist);//from   w w w . ja  v  a 2 s.  c  o  m

    // Retrieving the index of last occurrence of element "E"
    int retval = arrlist.lastIndexOf("E");
    System.out.println("The last occurrence of E is at index " + retval);

}

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From source file:Main.java

public static void main(String[] args) {
    ArrayList<String> arrayList = new ArrayList<String>();

    arrayList.add("2");
    arrayList.add("2");
    arrayList.add("3");
    arrayList.add("4");
    arrayList.add("5");
    arrayList.add("1");
    arrayList.add("2");

    System.out.println(arrayList.contains("2"));

    int index = arrayList.indexOf("4");
    if (index == -1)
        System.out.println("not contain 4");
    else//from  w  w w . ja v  a 2s  .  c  om
        System.out.println("4 at index :" + index);

    int lastIndex = arrayList.lastIndexOf("1");
    if (lastIndex == -1)
        System.out.println("not contain 1");
    else
        System.out.println("Last index :" + lastIndex);
}

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From source file:com.draagon.meta.manager.ObjectManager.java

/**
 * Clips the specified objects by the provided range
 *///from   w  w  w.jav a 2s .  com
public static Collection<Object> distinctObjects(Collection<?> objs) throws MetaException {
    // TODO:  Check this, as I don't think it works!

    ArrayList<Object> a = new ArrayList<Object>(objs);
    for (Iterator<Object> i = a.iterator(); i.hasNext();) {
        Object o = i.next();

        // Find the first index of the object
        int fi = a.indexOf(o);

        // Remove all objects of the same value
        int li = 0;
        while ((li = a.lastIndexOf(o)) != fi)
            a.remove(li);
    }

    return a;
}

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From source file:com.stratelia.webactiv.beans.admin.Admin.java

private ArrayList<String> removeTuples(ArrayList<String> al) {
    if (al == null) {
        return new ArrayList<String>();
    }//from w w w .j  a v a2s  .c  o m

    for (int nI = 0; nI < al.size(); nI++) {
        while (al.lastIndexOf(al.get(nI)) != al.indexOf(al.get(nI))) {
            al.remove(al.lastIndexOf(al.get(nI)));
        }
    }

    return al;
}

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From source file:org.openadaptor.auxil.convertor.fixedwidth.AbstractFixedWidthStringConvertor.java

/**
 * @return false if the field name supplied is null or an empty string
 * /*ww w .  j av  a  2  s .c o  m*/
 * @throws ValidationException
 *           if there are multiple fields defined with the same name
 */
public boolean isValidFieldName(String name) {
    ArrayList names = getFieldNames();
    int a = names.indexOf(name);
    int b = names.lastIndexOf(name);
    if (a != b)
        throw new ValidationException("Multiple field names defined", this);

    return (name != null && !name.equals(""));
}

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From source file:org.silverpeas.core.admin.service.Admin.java

private ArrayList<String> removeTuples(ArrayList<String> al) {
    if (al == null) {
        return new ArrayList<>();
    }/*from   w  w  w  .  java  2 s.  co m*/

    for (int nI = 0; nI < al.size(); nI++) {
        while (al.lastIndexOf(al.get(nI)) != al.indexOf(al.get(nI))) {
            al.remove(al.lastIndexOf(al.get(nI)));
        }
    }

    return al;
}

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