Example usage for java.lang Object equals

Introduction

In this page you can find the example usage for java.lang Object equals.

Prototype

public boolean equals(Object obj)

Source Link

Document

Indicates whether some other object is "equal to" this one.

Usage

From source file:Main.java

public static boolean equal(Object o1, Object o2) {
    return o1 == null ? o2 == null : o1.equals(o2);
}

From source file:Main.java

/**
 * @param comboBox/*from ww  w  .j  a  v a 2  s . c o m*/
 * @param value
 * @return if the comboBox contains the specified value
 */
public static boolean containsValue(JComboBox comboBox, String value) {
    ComboBoxModel model = comboBox.getModel();
    int size = model.getSize();
    for (int i = 0; i < size; i++) {
        Object element = model.getElementAt(i);
        if (element.equals(value)) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

@NonNull
private static ArrayList<String> nonblankPathSegments(Object[] paths) {
    ArrayList<String> list = new ArrayList<>();
    for (Object path : paths) {
        if (path != null && !path.equals("")) {
            list.add((String) path);
        }//from w  w w . ja  va  2s . c o m
    }
    return list;
}

From source file:Main.java

public static boolean equals(Object a, Object b) {
    return (a == b) || (a == null ? false : a.equals(b));
}

From source file:Main.java

public static boolean isLinked(Object child, List<Object> childList) {
    /* Do not add to list if child is already referenced in list -- avoid dups */
    for (Object obj : childList) {
        if (obj.equals(child)) {
            return true;
        } else if (child instanceof List) {
            /* child is a list - our first object eqivalancy will not work 
             * Iterate through items since child is a list and check */
            for (Object obj2 : (List<Object>) child) {
                if (obj.equals(obj2)) {
                    return true;
                }//w  w w  .j  a  v a 2  s.c  om
            }
        }
    }
    return false;
}

From source file:Main.java

/**
 * Can't believe I need to write this myself, but I guess
 * it's just 7 lines of code and infinitely more trustworthy
 * than that java.Arrays.binarySearch crap.
 * TODO this probably should go into some sort of kUtil class
 *///from ww w  . j  a v a2s . co m
public static int arrayLinearSearch(Object[] a, Object s) {
    for (int i = 0; i < a.length; i++) {
        if (s.equals(a[i]))
            return i;
    }
    return -1;
}

From source file:Main.java

public static boolean areNullSafeEquals(Object obj1, Object obj2) {
    return obj1 == null ? obj2 == null : obj1.equals(obj2);
}

From source file:Main.java

/**
 * Tests two objects for {@link Object#equals(Object)} equality, handling the case where one or
 * both may be null./*ww w  .j ava  2  s .  co  m*/
 *
 * @param o1 The first object.
 * @param o2 The second object.
 * @return {@code o1 == null ? o2 == null : o1.equals(o2)}.
 */
public static boolean areEqual(Object o1, Object o2) {
    return o1 == null ? o2 == null : o1.equals(o2);
}

From source file:Main.java

public static void assertEquals(String message, Object val1, Object val2) {
    if (message != null) {
        assert val1.equals(val2) : message;
    } else {//from  w w w  . j  a  v  a 2s.com
        assert val1.equals(val2);
    }
}

From source file:Main.java

public static boolean isDataChanged(Object newData, Object oldData) {
    return (oldData != newData) && (oldData == null || !oldData.equals(newData));
}