Recent questions tagged Java:

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This is similar but not quite the same as Java: instantiating an enum using reflection I have a Map<Enum<?>, ... parameter <T extends Enum<T>> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java: How to split a 2d array into two 2d arrays

I'm writing a program to multiply matrices (2d arrays) as efficiently as possible, and for this i need to ... . Does anyone have any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java: how to use bufferedreader to read specific line

Lets say I have a text file called: data.txt (contains 2000 lines) How do I read given specific line from: ... above code to read specific line? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java: how to use clone() and what about the cast check

This code: class RawStringIterator { java.util.Stack<State> stateStack = new java.util.Stack<State>(); ... completely redundant extra check? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java: primitive arrays -- are they initialized?

If I use a statement in my code like int[] a = new int[42]; Will it initialize the array to anything in ... am not sure what to search for. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java: how can i create a function that supports any number of parameters?

is it possible to create a function in java that supports any number of parameters and then to be able to ... to the function ? thanks kfir See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java: Arrays.sort() with lambda expression

I want to sort String elements in the array months by length using Arrays.sort method. I was told here, that it's ... )); //printing after } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java: how to both read and write to & from process thru pipe (stdin/stdout)

(i'm new to java) I need to start a process and receive 2 or 3 handles: for STDIN, STDOUT, (and STDERR) ... sys.stdin.readline() print s.lower() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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