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How to iterate over the files of a certain directory, in Java? [duplicate]
I want to process each file in a certain directory using Java.
4 Answers
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What is the JavaScript version of sleep()?
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Dan DascalescuDan Dascalescu
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Getting exact error type in from DbValidationException
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98
If you don't have a catch block, you can replace ex with $exception and get the same result.
– Ecyrb
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Calendar date to yyyy-MM-dd format in java
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A Java Date is a container for the number of milliseconds since January 1, 1970, 00:00:00 GMT.
When you use something like System.out.println(date), Java uses Date.toString() to print the contents.
The only way to change it i...
Simple way to repeat a String in java
.... ".repeat( 7 ) // Seven period-with-space pairs: . . . . . . .
New in Java 11 is the method String::repeat that does exactly what you asked for:
String str = "abc";
String repeated = str.repeat(3);
repeated.equals("abcabcabc");
Its Javadoc says:
/**
* Returns a string whose value is the co...
How do I define a method which takes a lambda as a parameter in Java 8?
In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas being created and used with methods, but no examples of how to make a method taking a lambda as a parameter. What is the syntax...
java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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2、缓存可以存在于什么地方...
java.lang.OutOfMemoryError: Java heap space in Maven
When I run maven test, java.lang.OutOfMemoryError happens. I googled it for solutions and have tried to export MAVEN_OPTS=-Xmx1024m , but it did not work.
Anyone know other solutions for this problem? I am using maven 3.0
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Can we make unsigned byte in Java
...d byte in unsigned. The problem is the data I am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed.
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How to show line number when executing bash script
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devnulldevnull
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