Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collection;

import java.util.Map;

public class Main {
    @SuppressWarnings({ "rawtypes" })
    public static void print(Collection coll) {
        if (isNotNull(coll)) {
            System.out.println("********************************************");
            for (Object t : coll) {
                if (t instanceof Collection) {
                    print((Collection) t);
                } else {
                    System.out.println(t);
                }
            }
            return;
        }
    }

    @SuppressWarnings("rawtypes")
    public static void print(Map map) {
        if (isNotNull(map)) {
            System.out.println("********************************************");
            for (Object key : map.keySet()) {
                Object value = map.get(key);
                if (value instanceof Collection) {
                    print((Map) value);
                } else {
                    System.out.println("Key=" + key + "; Value=" + value);
                }
            }
            return;
        }
    }

    public static void print(Object[] array) {
        if (isNotNull(array)) {
            System.out.println("********************************************");
            for (Object item : array) {
                System.out.print(item + "\t");
            }
        }
        System.out.println();
    }

    public static boolean isNotNull(Object[] array) {
        return !isNull(array);
    }

    public static boolean isNotNull(Collection<?> con) {
        return !isNull(con);
    }

    public static boolean isNotNull(Map<?, ?> map) {
        return !isNull(map);
    }

    public static boolean isNull(Collection<?> con) {
        if (con == null || con.isEmpty()) {
            return true;
        }
        return false;
    }

    public static boolean isNull(Object[] array) {
        if (array == null || array.length == 0) {
            return true;
        }
        return false;
    }

    public static boolean isNull(Map<?, ?> map) {
        if (map == null || map.isEmpty()) {
            return true;
        }
        return false;
    }
}