Optional in java 8
Optional in java 8
Advantages of Java 8 Optional:
1. Null checks are not required.
2. No more NullPointerException at run-time.
Of():
Integer value = new Integer(10);
Optional.of(value);
IsPresent():
System.out.println("Second parameter is present: " + myValue.isPresent());
get() :
//Optional.get - gets the value, value should be present
Integer value2 = myValue.get();
orElse():
//Optional.orElse - returns the value if present otherwise returns
//the default value passed.
Integer value1 = myValue.orElse(new Integer(0));
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