String str = "hello";
if(StringUtils.isNotEmpty(str)){
System.out.println("String is not empty");
} else {
System.out.println("String is empty");
}
String str = " ";
if(StringUtils.isBlank(str)){
System.out.println("String is blank");
} else {
System.out.println("String is not blank");
}
总结:
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