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Do you think Java Enums are more powerful than integer constants?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is the use of method references in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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What are the situations in which you choose HashSet or TreeSet?
OpenVaishnavi Talawar asked 3 years ago • Java
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What are the different types of Classloaders in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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How do you decide which type of Inner Class – Static or Non-Static to use in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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Can you catch an exception thrown by another thread in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is the difference between poll() and remove() methods of Queue in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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Why do you use volatile keyword in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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You have a character array and a String. Which one is more secure to store sensitive data (like password, date of birth, etc.)?
OpenVaishnavi Talawar asked 3 years ago • Java
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Explain the difference between fail-fast and fail-safe iterators?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is a compile time constant in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is the relation between x.hashCode() method and x.equals(y) method of Object class?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you guarantee that the garbage collection takes place?
OpenVaishnavi Talawar asked 3 years ago • Java
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what-is-the-difference-between-x-y-and-x-equalsy-expressions-in-java
OpenVaishnavi Talawar asked 3 years ago • Java
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How can we find the memory usage of JVM from Java code?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you do constructor chaining in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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Can we use multiple main methods in same class?
OpenVaishnavi Talawar asked 3 years ago • Java
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Can we use String in the switch case statement in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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Out of an int and Integer, which one takes more memory?
OpenVaishnavi Talawar asked 3 years ago • Java
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What will this return 5*0.1 == 0.5? true or false?
OpenVaishnavi Talawar asked 3 years ago • Java
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In Java, can we store a double value in a long variable without explicit casting?
OpenVaishnavi Talawar asked 3 years ago • Java
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Can you cast an int variable into a byte variable? What happens if the value of int is larger than byte?
OpenVaishnavi Talawar asked 3 years ago • Java
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How will you take thread dump in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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Which class contains clone method? Cloneable or Object class?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is the difference between StringBuffer and StringBuilder?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is difference between CyclicBarrier and CountDownLatch class?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you convert an Array of bytes to String?
OpenVaishnavi Talawar asked 3 years ago • Java
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Can you create an Immutable object that contains a mutable object?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is the difference between sleep() and wait() methods in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is a thread local variable in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
201 views0 answers0 votes
How can you mark an array volatile in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
391 views0 answers0 votes
Let say there is a method that throws NullPointerException in the superclass. Can we override it with a method that throws RuntimeException?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you access a non-static variable from the static context?
OpenVaishnavi Talawar asked 3 years ago • Java
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Is ++ operation thread-safe in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you do multiple inheritances in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is the right data type to represent Money (like Dollar/Pound) in Java?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you determine if JVM is 32-bit or 64-bit from Java Program?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you make sure that N threads can access N resources without deadlock?
OpenVaishnavi Talawar asked 3 years ago • Java
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What happens when you put a key object in a HashMap that is already present?
OpenVaishnavi Talawar asked 3 years ago • Java
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Does Java allow you to override a private or static method?
OpenVaishnavi Talawar asked 3 years ago • Java
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Can we use multiple main methods in multiple classes?
OpenVaishnavi Talawar asked 3 years ago • Java
386 views0 answers0 votes
What does the expression 1.0 / 0.0 return? Will there be any compilation error?
OpenVaishnavi Talawar asked 3 years ago • Java
322 views0 answers0 votes
Is there any difference between a = a + b and a += b expressions?
OpenVaishnavi Talawar asked 3 years ago • Java
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What are the main differences between an interface with default method and an abstract class in Java 8? Java Tricky Questions
OpenVaishnavi Talawar asked 3 years ago • Java
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What is the target type of a lambda expression?
OpenVaishnavi Talawar asked 3 years ago • Java
332 views0 answers0 votes
What is the type of a Lambda expression in Java 8?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is a StringJoiner in Java 8?
OpenVaishnavi Talawar asked 3 years ago • Java
245 views0 answers0 votes
what-are-the-popular-annotations-introduced-in-java-8
OpenVaishnavi Talawar asked 3 years ago • Java
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What are the new JVM arguments introduced by Java 8?
OpenVaishnavi Talawar asked 3 years ago • Java
214 views0 answers0 votes
How can we analyze the dependencies in Java classes and packages?
OpenVaishnavi Talawar asked 3 years ago • Java
255 views0 answers0 votes
It is possible to define a static method in an Interface?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can we get current time by using Date/Time API of Java 8?
OpenVaishnavi Talawar asked 3 years ago • Java
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Which method in Optional provides the fallback mechanism in case of null value?
OpenVaishnavi Talawar asked 3 years ago • Java
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What are the uses of Optional?
OpenVaishnavi Talawar asked 3 years ago • Java
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What is Optional in Java 8?
OpenVaishnavi Talawar asked 3 years ago • Java
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How can you get the name of Parameter in Java by using reflection?
OpenVaishnavi Talawar asked 3 years ago • Java
189 views0 answers0 votes
Can we access a static method of an interface by using reference of the interface?
OpenVaishnavi Talawar asked 3 years ago • Java
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If we create same method and define it in a class , in its parent class and in an interface implemented by the class, then definition will be invoked if we access it using the reference of Interface and the object of class?
OpenVaishnavi Talawar asked 3 years ago • Java
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In case we create a class that extends a base class and implements an interface. If both base class and interface have a default method with the same name and arguments, then which definition will be picked by JVM?
OpenVaishnavi Talawar asked 3 years ago • Java
276 views0 answers0 votes
How Java 8 supports Multiple Inheritance?
OpenVaishnavi Talawar asked 3 years ago • Java
300 views0 answers0 votes
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