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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
When building a Java 8 project with Maven:
8 Answers
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How to make a new List in Java
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List myList = new ArrayList();
or with generics (Java 7 or later)
List<MyType> myList = new ArrayList<>();
or with generics (Old java versions)
List<MyType> myList = new ArrayList<MyType>();
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How to get HTTP response code for a URL in Java?
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getting Exception in thread "main" java.net.ConnectException: Connection refused: connect I dont know why i am getting this.
– Ganesa Vijayakumar
Dec 3 '13 at 6:15
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Paste a multi-line Java String in Eclipse [duplicate]
Unfortunately, Java has no syntax for multi-line string literals. No problem if the IDE makes it easy to work with constructs like
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How to copy a java.util.List into another java.util.List
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Javadoc: docs.oracle.com/javase/1.4.2/docs/api/java/util/…
– lcguida
Jan 14 '13 at 13:55
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Optional Methods in Java Interface
From my understanding if you implement an interface in java, the methods specified in that interface have to be used by the sub classes implementing the said interface.
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JFrame in full screen Java
...dn't have to use setExtendedState. Tested working using Kubuntu 15.10 with Java 8.
– code_dredd
Jan 16 '16 at 20:54
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Odd behavior when Java converts int to byte?
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In Java, an int is 32 bits. A byte is 8 bits .
Most primitive types in Java are signed, and byte, short, int, and long are encoded in two's complement. (The char type is unsigned, and the concept of a sign is not applicable to...
Java Set retain order?
Does a Java Set retain order? A method is returning a Set to me and supposedly the data is ordered but iterating over the Set, the data is unordered. Is there a better way to manage this? Does the method need to be changed to return something other than a Set?
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Eclipse Build Path Nesting Errors
...using the webcontent folder he wants all of our source code under src/main/java and src/main/webapp.
13 Answers
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