i heard Java 5 is quite different to Java 1.4 versions, Is this true?
At the moment i got books for Java 1.4, which is by deitel publications. and the compilor i have installed is Java 5, If i learn Java 1.4 (cus i got no books for java 5) how much of upgrade i have to do to make my self get to Java 5?
2. Is it okay to code Java 1.4 using Java 5 compilor?