大约有 7,479 项符合查询结果(耗时:0.0136秒) [XML]
Why does Eclipse complain about @Override on interface methods?
...n methods that implement those declared by an interface is only valid from Java 6 onward. It's an error in Java 5.
Make sure that your IDE projects are setup to use a Java 6 JRE, and that the "source compatibility" is set to 1.6 or greater:
Open the Window > Preferences dialog
Browse to Java &...
Is there an eval() function in Java? [duplicate]
...
You can use the ScriptEngine class and evaluate it as a Javascript string.
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("js");
Object result = engine.eval("4*5");
There may be a better way, but this one works.
...
Array or List in Java. Which is faster?
I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ?
...
Java, List only subdirectories from a directory, not files
In Java, How do I list only subdirectories from a directory?
13 Answers
13
...
Virtual Memory Usage from Java under Linux, too much memory used
I have a problem with a Java application running under Linux.
8 Answers
8
...
A Java collection of value pairs? (tuples?)
I like how Java has a Map where you can define the types of each entry in the map, for example <String, Integer> .
...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
... Mono implementation on Android and their C# compiled apps are faster than Java code. Did anyone perform actual benchmarks on very similar Java and C# code on different Android platforms to verify such claims, could post the code and results?
...
What is the difference between Integer and int in Java?
... have any methods.
Integer is a class, no different from any other in the Java language. Variables of type Integer store references to Integer objects, just as with any other reference (object) type. Integer.parseInt("1") is a call to the static method parseInt from class Integer (note that this me...
How to read integer value from the standard input in Java
What class can I use for reading an integer variable in Java?
7 Answers
7
...
Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools
...d x64 eclipse IDE).
As helios said, you must set project compatibility to Java 5.0 or Java 6.0.
To do that, 2 options:
Right-click on your project and select "Android Tools -> Fix
Project Properties" (if this din't work, try second option)
Right-click on your project and select "Properties -...