Question

answer the all questions

Answer 1

1=»tokens are the smallest individual Units in a program there are 4 types of tokens in Java identifiers ,punctuators, literals or constants and identifiers
2=»keywords are the words that are reserved by Java that have some specific meaning to the Java compiler the keywords cannot be used as identifiers
3=»an identifier in Java programs are the names that can be used to name the variables, constants ,methods(functions) in a Java Program .
6th answer u have written wrong.
15=»they have special effects on java compiler