java - StringUtils. isBlank () vs String. isEmpty () - Stack Overflow I am answering this because it's the top result in Google for "String isBlank() Method" If you are using Java 11 or above, you can use the String class isBlank() method This method does the same thing as Apache Commons StringUtils class I have written a small post on this method examples, read it here
Difference between isEmpty() and isBlank() Method in java 11 Java 11 - isBlank() The new instance method java lang String isBlank() returns true if the string is empty or contains only white space, where whitespace is defined as any codepoint that returns true when passed to Character#isWhitespace(int) boolean blank = string isBlank();
Checking if a string is empty or null in Java - Stack Overflow StringUtils isEmpty(String str) - Checks if a String is empty ("") or null or StringUtils isBlank(String str) - Checks if a String is whitespace, empty ("") or null the latter considers a String which consists of spaces or special characters eg " " empty too See java lang Character isWhitespace API
Replacement for Java 11 method String. isBlank() in Java 8 Best approach would be to use Apache Commons StringUtils isBlank(String) <dependency> <groupId>org apache commons< groupId> <artifactId>commons-lang3< artifactId> <version>3 9< version> < dependency> uses a commonly used library; proven; uses centralized code; is very similar to the source that has to be converted
java - Check whether a String is not Null and not Empty - Stack Overflow There is a new method in java-11: String#isBlank Returns true if the string is empty or contains only white space codepoints, otherwise false jshell> "" isBlank() $7 ==> true jshell> " " isBlank() $8 ==> true jshell> " ! " isBlank() $9 ==> false This could be combined with Optional to check if string is null or empty
java - String. isBlank() replacement - Stack Overflow I'm trying to adapt a code which uses String isBlank(text) This method was introduced in Java 11, but my current project uses Java 8 and I don't want to upgrade Is there anywhere the source code
Checking for a not null, not blank String in Java UPDATE: org apache common lang StringUtils isEmpty() is used to find if the String is length 0 or null org apache common lang StringUtils isBlank() takes it a step
java - StringUtils. isBlank return false for null Strings - Stack Overflow I am working in a Java project and my code shows weird behavior Here is my code: String access = String valueOf(getStringvalue()); Boolean isBlank = StringUtils isBlank(access); In the above code, 'access' object can have null values And it is said that if we pass a null value to StringUtils isBlank(), it will return true
java - Differences between null and StringUtils. isBlank () - Stack Overflow If you expect any data that is not null to be a String then this text getData() != null might work but your code will later on have a class cast problem and the fact that the cast to String is not working shows a deeper problem