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java.io.Console support in Eclipse IDE
I use the Eclipse IDE to develop, compile, and run my Java projects. Today, I'm trying to use the java.io.Console class to manage output and, more importantly, user input.
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Convert object to JSON in Android
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To use the library in a method.
Gson gson = new Gson();
//transform a java object to json
System.out.println("json =" + gson.toJson(Object.class).toString());
//Transform a json to java object
String json = string_json;
List<Object> lstObject = gson.fromJson(json_ string, Object.class);
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Is there a naming convention for git repositories?
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Maybe it is just my Java and C background showing, but I prefer CamelCase (CapCase) over punctuation in the name. My workgroup uses such names, probably to match the names of the app or service the repository contains.
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How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
... According to CoverosGene's answer keytool supports it since Java 6. This is the link he provided
– Houtman
Dec 8 '14 at 11:58
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In Java, is there a way to write a string literal without having to escape quotes?
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The answer is no, and the proof resides in the Java Language Specification:
StringLiteral:
"StringCharacters"
StringCharacters:
StringCharacter
| StringCharacters StringCharacter
StringCharacter:
InputCharacter but not " or \
| EscapeSequence
As ...
How to list the files inside a JAR file?
...s entry. */
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}
}
}
else {
/* Fail... */
}
Note that in Java 7, you can create a FileSystem from the JAR (zip) file, and then use NIO's directory walking and filtering mechanisms to search through it. This would make it easier to write code that handles JARs and "exploded" directo...
Mockito: InvalidUseOfMatchersException
... Awesome. org.mockito.Mockito.eq()
– javaPlease42
Aug 4 '16 at 19:10
4
the proper...
Cross field validation with Hibernate Validator (JSR 303)
...package constraints;
import constraints.impl.FieldMatchValidator;
import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.Documented;
import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.TYPE;
import...
How do I efficiently iterate over each entry in a Java Map?
If I have an object implementing the Map interface in Java and I wish to iterate over every pair contained within it, what is the most efficient way of going through the map?
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Loop through all the files with a specific extension
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No fancy tricks needed:
for i in *.java; do
[ -f "$i" ] || break
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done
The guard ensures that if there are no matching files, the loop will exit without trying to process a non-existent file name *.java. In bash (or shells supporting something sim...