Java Examples

public class Test { public static void main(String[] args) { String str = “Learn Java with alegrucoding.com”; System.out.println(str.length()); } } Output: 32   Also, we can use the for loop to count characters in a String. public class Test { public static void main(String[] args) { int count = 0; String str = “Learn Java…

Output: Java   Methods from the StringUtils class that we can use to get a substring from String in Java: import org.apache.commons.lang3.StringUtils; public class Test { public static void main(String[] args) { String str = “Hello, my name is Tom, and I live in USA”; String substringBefore = StringUtils.substringBefore(str, “,”); String substringAfter = StringUtils.substringAfter(str, “,”); String substringBetween = StringUtils.substringBetween(str,…

public class Test { public static void main(String[] args) { String str1 = “Hello”; String str2 = “Hello”; String str3 = null; if (str1 != null) { System.out.println(str1.equals(str2)); } System.out.println(str1.equals(str3)); } } Output: true false 2. Using the == operator to compare Strings in Java public class Test { public static void main(String[] args) {…