Question Detail How many transaction isolation levels are defined in java.sql.Connection interface 4352 Answer: Option C Similar Questions : 1. Main method parameter has which type of data type intcharstringdouble Answer: Option C 2. Which type of inheritance is not supported by java SingleMultipleMulilevelHirarchical Answer: Option B 3. In java, gc() method is available in which package java.lang packagejava.util packagejava.awt packagejava.io package Answer: Option A 4. If nested try is possible YesNo Answer: Option A 5. Which keyword is used while using interface extendimplementsthrowthrows Answer: Option B Read more from - Java Objective Questions Answers -Chapter 1