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Java in General
Stuff that is past the beginners stage
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Java in General
This Spring transaction Manager is always not active
31 replies
why does the compiler complain about this ternary operator: "not a statement"?
60 replies
Why do the built-in functions specify wildcards even though they are not data-structures?
36 replies
1
If Stack is a LIFO then why do push() and pop() work at the front of the queue, and not at the end?
47 replies
2
1
Can someone explains what is natural ordering in Java ?
14 replies
Concatenating a lot of string objects ... string or stringBuilder
30 replies
Collectors.groupingBy() API | OCP 17
26 replies
2
Having nicer body for ifPresentOrElse
14 replies
1
I can't quite understand an aspect of numeric promotion and casting
16 replies
Broken diacritics reading Clob from OracleDB via JDBC
15 replies
2
1
Need help to review my code
24 replies
1
varargs and overload resolution | OCP 17
8 replies
3
2
Trouble removing spaces in ArrayList
24 replies
1
Why does 'protected' allow different classes in the package to access each other's protected members
16 replies
2
Reassurance on collections
18 replies
Advantages of Stream#mapMulti ?
4 replies
2
Java type casting | OCP certification
6 replies
1
Java in General
why the need to use reduce in Java 8 ?
13 replies
1
Java 21 LTS
11 replies
Java in General
Handle the app
12 replies
More »
Best this month
Reassurance on collections
18 replies
instanceof code snippet compiles, when it shouldn't?
18 replies
Java in General
Enum constants| Static initializers | OCP 17
16 replies
Exception with Map.getOrDefault
12 replies
1
setEnvelopeFrom cannot find symbol
11 replies
Help
12 replies
Want to regain confidence in Java having been mostly doing Python since last few years
12 replies
Javamail and the Google API
8 replies
Getting Error on Non Number
10 replies
Hashmap in Java Eclipse
9 replies
Null Error in Program
9 replies
Using RegEx to Strip Last Character from a String Conditionally
11 replies
Generics - wildcard
3 replies
switch expressions - java 17
5 replies
Apache Tika
3 replies
? extends Number - doesn't allow Integer
1 reply
kafka consumer lisetning same messages again and again
2 replies
Hashmap in Java Eclipse
0 replies
More »
Java in General Forum at JavaRanch
Apache Tika
1 day ago
3 replies
Getting Error on Non Number
3 days ago
10 replies
kafka consumer lisetning same messages again and again
6 days ago
2 replies
Is Netbeans Platform still relevant in 2023?
1 week ago
11 replies
I can't quite understand an aspect of numeric promotion and casting
1 week ago
16 replies
switch expressions - java 17
1 week ago
5 replies
Help
1 week ago
12 replies
Using RegEx to Strip Last Character from a String Conditionally
1 week ago
11 replies
setEnvelopeFrom cannot find symbol
1 week ago
11 replies
? extends Number - doesn't allow Integer
1 week ago
1 reply
Java in General
Enum constants| Static initializers | OCP 17
1 week ago
16 replies
Want to regain confidence in Java having been mostly doing Python since last few years
2 weeks ago
12 replies
Null Error in Program
2 weeks ago
9 replies
Javamail and the Google API
2 weeks ago
8 replies
Hashmap in Java Eclipse
2 weeks ago
9 replies
Generics - wildcard
2 weeks ago
3 replies
instanceof code snippet compiles, when it shouldn't?
2 weeks ago
18 replies
Reassurance on collections
3 weeks ago
18 replies
Exception with Map.getOrDefault
3 weeks ago
12 replies
1
How to Solve OutOfMemoryError: Metaspace
1 month ago
0 replies
1
Android
Handle the app
1 month ago
12 replies
logging to two different files using Java native logging
1 month ago
4 replies
log4j2 creating but not logging to file and console appenders
1 month ago
11 replies
Java Performance Tuning: Adjusting GC Threads for Optimal Results
1 month ago
4 replies
beep sound not coming and direct asking to quit the program
Staff volunteer someone thinks this thread is probably resolved
1 month ago
5 replies
SSL Exception
1 month ago
16 replies
What are the best methods to incorporate structure / design patterns in existing codebase?
1 month ago
3 replies
Non-generic class implementing generic interface, jshell experiment.
1 month ago
3 replies
Draw Poker: Java 14
1 month ago
9 replies
get only a specific json object using Gson
1 month ago
9 replies
Broken diacritics reading Clob from OracleDB via JDBC
1 month ago
15 replies
2
1
Security
Storage, encryption, decryption password on the client side
2 years ago
28 replies
1
Public Service Announcement: Java Is Still Free!
6 years ago
16 replies
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