What is data persistence in java?
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differences between iterator and spliterator in java se 8?
What is log4j in java?
What is java aop?
What is a bean class?
Java prints out a ton of digits when I system.out.println() a double. How can I format it so it displays only 3 digits after the decimal place?
Explain main thread under thread class execution?
What is the difference between a jvm and a jdk?
Can I have multiple main methods in the same class?
How does jpa repository work?
How does java handle integer overflows and underflows?
explain isalive() method under thread class?
What is resultsetmetadata in java?