javac Questions
1
Solved
I have read about source and target options for javac that they define a version that my source code requires to compile and oldest JRE version i want to support, respectively. While using Maven bu...
2
Solved
Description
I have an odd issue in which Method::getGenericReturnType() is not able to retrieve the generic type information.
Here is the minimized version:
public class Test {
public static void ...
Mucin asked 7/1, 2021 at 13:26
5
Solved
I have a Windows 7 system on which I have installed the latest Java compiler. I also have the latest Cygwin. I want to use the Java compiler from Cygwin's shell. I edited the PATH variable in Cygwi...
2
Solved
I know that multiple modules can be compiled using multiple threads where each thread compiles a single module but what if I have a single large module? Does Javac or the Eclipse Java Compiler supp...
Isochromatic asked 27/12, 2020 at 14:5
2
Solved
I'd like to use JEP 330 to run a single-file source-code program with Java (>= 11).
Doing so, I'd like to pass options understood by the compiler (javac) but not the runtime (java), e.g. -XDsuppre...
7
I got a new laptop with Windows 10 and I want to set it up so I can use java and javac from the command line.
I have searched online but all the guides are for previous versions, and I don't want ...
Hetaerism asked 27/8, 2015 at 5:13
8
Solved
I am having a pathetic issue with Java in my mac osx 10.7.3 .
Previously I installed it and it was working fine.
After some changes in the .bash_profile and .profile file in the course of time,
I a...
7
Solved
I tried to add the following to the root build.gradle file:
subprojects {
gradle.projectsEvaluated {
tasks.withType(Compile) {
options.compilerArgs << "-Xlint:unchecked -Xlint:deprecation...
1
Solved
I have Java 11 installed. When I run the command java <filename.java>, for compiling and running the code, it compiles and runs the program, shows the output in CMD, but it doesn't produce an...
2
I know how to create a jar from .java or .class files.
I have a sources.jar that contains .java files. I want to compile these classes and pack into a jar again.
for example:
This is the jar I wa...
August asked 14/8, 2014 at 21:9
2
Solved
An additional jdk was installed and configured on RHEL5.
yum install java-1.7.0-openjdk.x86_64
update-alternatives
It appeared to work: java -version points to desired 1.7.
However, javac -vers...
1
Solved
Consider the following class:
class Temp {
private final int field = 5;
int sum() {
return 1 + this.field;
}
}
Then I compile and decompile the class:
> javac --version
javac 11.0.5
&g...
1
Using OpenJDK 14.0.1
public class Example {
private String test(final ExampleEnum ee) {
return switch (ee) {
case Value -> null;
};
}
}
public enum ExampleEnum {
Value;
public enum I...
Hostile asked 2/5, 2020 at 18:56
2
Solved
Looking to use records from Java 14 in a gradle build, but am getting:
thufir@dur:~/NetBeansProjects/FileWatcherHandler$
thufir@dur:~/NetBeansProjects/FileWatcherHandler$ gradle clean build
>...
Leiker asked 17/5, 2020 at 9:20
3
I was answering a question and ran into a scenario I can't explain. Consider this code:
interface ConsumerOne<T> {
void accept(T a);
}
interface CustomIterable<T> extends Iterable<...
7
Solved
When I compile the Spring JDBC source on OS X with JDK 1.7.0, I get this warning:
warning: CachedRowSetImpl is internal proprietary API and may be removed in a future release
How do I suppress t...
1
Solved
The following code:
void someMethod(Object value)
{
String suffix = getSuffix();
if (suffix != null)
value += suffix;
[...]
}
compiles without errors in JDK 8 (using -source 1.6), but fails...
2
Solved
My question is not this question, because I have no discrepancy in java versions.
The build on running 'ant clean all' is failing after I installed java 1.8.45 (both jdk and jre).
It says:
**** ...
Higa asked 20/4, 2015 at 9:18
5
Solved
I'm using ant 1.8.0 and java 1.6.0.17 and I'm running into a strange problem.
In my build.xml, I have a simple task that compiles the code
<javac destdir="${dir.build.classes}" debug="on">
...
Milky asked 20/2, 2010 at 0:8
3
Solved
If I try to cast a String to a java.util.Date, the Java compiler catches the error. So why doesn't the compiler flag the following as an error?
List<String> strList = new ArrayList<>()...
Alkalinity asked 21/3, 2020 at 23:19
5
Solved
Originally I was using the underscore _ as a class name. The new Java8 compiler complains that it "might not be supported after Java SE 8". I changed that to $, and there is no warning any more. Ho...
1
Solved
I would like to migrate my java program from JDK8 to JDK11.
I resolved build errors caused by APIs removed in JDK11.
But, I got JNI related problem.
To explain about the problem, let's assume tha...
Makalu asked 10/3, 2020 at 14:43
5
Solved
I've the root directory like this :
├── classes
└── src
└── vehicles
├── Bicycle.java
└── BicycleMain.java
Bicycle.java
package vehicles;
public class Bicycle {
public int cadence;
publi...
Dimercaprol asked 24/11, 2012 at 2:14
21
Solved
the problem is that I upgraded to Windows 10 and now I'm installing my tools to programming and now that I installed the JDK 7 of Java, when I try to use in the cmd the command:
- "javac"...
Carraway asked 10/8, 2015 at 17:15
0
I have a code snippet similar to the following in my project:
public static void main(final String[] args) {
System.out.println("Hello world");
final TypeReference<String> tr1 = new TypeRe...
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