Java Array to String arrayToString(Object obj)

Description

array To String

License

Apache License

Declaration

public static String arrayToString(Object obj) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.Arrays;

public class Main {

    public static String arrayToString(Object obj) {
        if (null == obj) {
            return null;
        }/*ww w. ja v  a2  s . co m*/
        if (isArray(obj)) {
            try {
                return Arrays.deepToString((Object[]) obj);
            } catch (Exception e) {
                final String className = obj.getClass().getComponentType().getName();
                switch (className) {
                case "long":
                    return Arrays.toString((long[]) obj);
                case "int":
                    return Arrays.toString((int[]) obj);
                case "short":
                    return Arrays.toString((short[]) obj);
                case "char":
                    return Arrays.toString((char[]) obj);
                case "byte":
                    return Arrays.toString((byte[]) obj);
                case "boolean":
                    return Arrays.toString((boolean[]) obj);
                case "float":
                    return Arrays.toString((float[]) obj);
                case "double":
                    return Arrays.toString((double[]) obj);
                default:
                    throw new RuntimeException(e);
                }
            }
        }
        return obj.toString();
    }

    private static boolean isArray(Object obj) {
        if (null == obj) {
            // throw new NullPointerException("Object check for isArray is null");
            return false;
        }
        return obj.getClass().isArray();
    }
}

Related

1. arrayToString(int[][] array)
2. arrayToString(Object arbitraryArray)
3. arrayToString(Object array)
4. arrayToString(Object array)
5. arrayToString(Object array)
6. arrayToString(Object obj[])
7. arrayToString(Object... keys)
8. arrayToString(Object... objects)
9. arrayToString(Object[] a)