check if an object is null java
// simple test
String name = null;
if(name != null)
System.out.printf("Hello Mr.%s\n", name);
else
System.err.println("error, name == null");
check if an object is null java
// simple test
String name = null;
if(name != null)
System.out.printf("Hello Mr.%s\n", name);
else
System.err.println("error, name == null");
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