Java internals: Can you do if (myClassList instanceof List) ? String.inter() method. String a = "foo"; String b = "food".substring(0,3); c = b.intern(); a == c? Integer i = null; int j = i; value of j? What will following code return? try { return true; } finally { return false; } Check if a string can be encoded in a given format (UTF-8, ASCII...) String parsing with StringTokenizer

Question

Java internals:
Can you do if (myClassList instanceof List<MyClass>) ?

String.inter() method. String a = "foo"; String b = "food".substring(0,3); c = b.intern(); a == c?

Integer i = null; int j = i; value of j?

What will following code return? 
          try {
	     return true;
	   } finally {
	     return false;
	   }


Check if a string can be encoded in a given format (UTF-8, ASCII...)
String parsing with StringTokenizer

Anónimo · Accepted Answer

Read: http://docs.oracle.com/javase/tutorial/java/generics/erasure.html
http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/String.html#intern()
http://www.dosideas.com/wiki/Encoding_En_Java
http://stackoverflow.com/questions/65035/in-java-does-return-trump-finally

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