java string is null or empty
public class Null {
public static boolean isNullOrEmpty(String str) {
if(str != null && !str.isEmpty())
return false;
return true;
}
}java string is null or empty
public class Null {
public static boolean isNullOrEmpty(String str) {
if(str != null && !str.isEmpty())
return false;
return true;
}
}check if a string is empty java
if (myString == null || myString.equals(""))
throw new IllegalArgumentException("empty string");Copyright © 2021 Codeinu
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