com.google.common.base.Strings.nullToEmpty() Java Code Examples

How to use nullToEmpty() method in com.google.common.base.Strings class.

More Java code examples for com.google.common.base.Strings Guava Google Core Libraries for Java.

Java Code Example 1 returns a empty String if input is null

import com.google.common.base.Strings;

public class StringsNullToEmptyExample1 {
    public static void main(String[] args) {
        String nullString = null;
        String outputString = Strings.nullToEmpty(nullString);

        System.out.println("Input String: " + nullString);
        System.out.println("Output String: " + outputString);
    }
}

Output:

Input String: null
Output String:

Java Code Example 2 returns the given string if it is non-null

import com.google.common.base.Strings;

public class StringsNullToEmptyExample2 {
    public static void main(String[] args) {
        String inputString = "simple solution";
        String outputString = Strings.nullToEmpty(inputString);

        System.out.println("Input String: " + inputString);
        System.out.println("Output String: " + outputString);
    }
}

Output:

Input String: simple solution
Output String: simple solution

Java Code Example 3 returns the given string if it is non-null

import com.google.common.base.Strings;

public class StringsNullToEmptyExample3 {
    public static void main(String[] args) {
        String emptyString = "";
        String outputString = Strings.nullToEmpty(emptyString);

        System.out.println("Input String: " + emptyString);
        System.out.println("Output String: " + outputString);
    }
}

Output:

Input String: 
Output String: