Diamond operator(<>) not working in java 1.7

Question

I have the following error for compiling a jsp file:

\'<>\' operator is not allowed for source level below 1.7

I\'m using

Answer 1

Check the following areas within Eclipse:

1. Right Click Project > Properties > Project Facets > Java > Version 1.7

2. Right Click Project > Properties > Java Build Path > Libraries > JRE Library should be 1.7

3. Right Click Project > Properties > Java Compiler > Compiler compliance level

4. Window > Preferences > Server > Runtime Environment > Select the Server > Edit > Ensure JRE is set to 1.7