scjp

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scjp question on enum

public enum Scale2 { GOOD(\'C\') { public char getGrade() { return grade; } }, BETTER(\'B\') { public char getGrade() {[详细]

2023-02-23 04:29 分类：问答
A SCJP Question on topic Enums

From the SCJP Questions PDF book, I got this question.. 1. enum Animals { 2. DOG(\"woof\"开发者_StackOverflow中文版), CAT(\"meow\"), FISH(\"burble\");[详细]

2023-02-17 10:28 分类：问答
equals and hashCode

I am running into a question about equals and hashCode contracts: here it is Given: class SortOf { String name;[详细]

2023-01-10 12:49 分类：问答
Redefining static method in child class

I would like to know the reason why this is first allowedin Java (or oops in general) I remember that the static methods are common for both parent and child class[详细]

2023-01-07 16:01 分类：问答
Doubt based on program in SCJP(EXAM 310-065)

class Building{ Building(){ System.out.print(\"b \"); } Building(String name){ this(); System.out.print(\"bn \"+name);[详细]

2023-01-06 18:31 分类：问答
Java - When is it a compiler error and when is it a runtime exception?

I am currently studying for the SCJP certification using the Sierra and Bates Study Guide and in many of the self tests (mock exam questions) I keep running into the same problem - I can\'t tell wheth[详细]

2023-01-05 23:01 分类：问答
Why is the output like this?

class Another { public void method(Object o) { System.out.println(\"This is in method which takes object\");[详细]

2023-01-03 21:43 分类：问答
JVM specification and Java compiler code useful for SCJP preparation?

I\'m preparing the SCJP exam with the almost official study book ("SCJP Sun Certified Programmer for Java 6 Exam 310-065")[详细]

2023-01-02 22:32 分类：问答
The limits of parallelism (job-interview question)

Is it possible to solve a problem of O(n!) complexity within a reasonable time given infinite number of process开发者_StackOverflowing units and infinite space?[详细]

2022-12-25 13:58 分类：问答
《启航当风起时》第二季什么时候播出？？

22543565757kss 2开发者_如何学JAVA022-04-19 10:56 电视剧《启航:当风起时》有第二季，在官方发布的彩蛋中，也暗示了将有第二部，两兄弟将再次合作，东山再起。据经典问答小编了解，有媒体记者从《启航:当风起[详细]

2022-12-24 21:52 分类：问答