Recent questions tagged java

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2 answers

Java Security: Illegal key size or default parameters

Aug 23, 2018 in Java by samarth295
 • 2,220 points • 8,713 views
0 votes
1 answer

Double decimal formatting in Java

Aug 23, 2018 in Java by samarth295
 • 2,220 points • 775 views
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1 answer

How to replace 2 or more spaces with a single space in String and how to delete leading and trailing spaces?

Aug 22, 2018 in Java by Daisy
 • 8,140 points • 778 views
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1 answer

Why Java String class is declared as final?

Aug 22, 2018 in Java by 93.lynn
 • 1,600 points • 6,887 views
0 votes
1 answer

Iterable.forEach() vs foreach loop

Aug 21, 2018 in Java by samarth295
 • 2,220 points • 755 views
0 votes
1 answer

Replace String with another in java

Aug 21, 2018 in Java by samarth295
 • 2,220 points • 927 views
0 votes
1 answer

Need to enclose MQTTCLient Instance in try catch block

Aug 21, 2018 in IoT (Internet of Things) by Matt
 • 2,270 points • 1,290 views
0 votes
2 answers

How to convert a byte into Hexadecimal in Java?

Aug 21, 2018 in Java by Sushmita
 • 6,920 points • 2,172 views
0 votes
1 answer

How to count the number of occurrences of an element in a List?

Aug 21, 2018 in Java by Daisy
 • 8,140 points • 5,714 views
0 votes
1 answer

Gracefully stopping a java thread

Aug 21, 2018 in Java by 93.lynn
 • 1,600 points • 1,442 views
0 votes
1 answer

Join array elements with a separator in Java

Aug 16, 2018 in Java by v.liyyah
 • 1,300 points • 2,974 views
0 votes
1 answer

Checking results values using Java ResultSet

Aug 16, 2018 in Java by anto.trigg4
 • 3,440 points • 987 views
0 votes
3 answers

Setting time zone of a java.util.Date

Aug 14, 2018 in Java by 93.lynn
 • 1,600 points • 57,053 views
0 votes
1 answer

System.currentTimeMillis vs System.nanoTime

Aug 10, 2018 in Java by anto.trigg4
 • 3,440 points • 3,277 views
+1 vote
1 answer

Setting selected item of Spinner by value rather than by position

Aug 10, 2018 in Java by misc.edu04
 • 1,450 points • 21,829 views
0 votes
1 answer

Eclipse Paho: read data from MQTT Broker

Aug 9, 2018 in IoT (Internet of Things) by Bharani
 • 4,660 points • 2,540 views
0 votes
1 answer

How to Call a Class From another class?

Aug 8, 2018 in Selenium by Sahiti
 • 6,370 points • 53,196 views
0 votes
1 answer

On running mvn-version, I get the exception UnsupportedClassVersionError received error. How do I solve this?

Aug 7, 2018 in Docker by Tyrion anex
 • 8,700 points • 808 views
0 votes
1 answer

I get an error stating- Hadoop: «ERROR : JAVA_HOME is not set». How to resolve this?

Aug 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 6,072 views
0 votes
1 answer

Invalid Batch or signature in Savtooth

Aug 1, 2018 in Blockchain by slayer
 • 29,370 points • 1,091 views
0 votes
1 answer

MQTT broker for Google App Engine

Aug 1, 2018 in IoT (Internet of Things) by Bharani
 • 4,660 points • 1,647 views
0 votes
1 answer

Java execute vs executeQuery vs executeUpdate

Jul 31, 2018 in Java by v.liyyah
 • 1,300 points • 24,872 views
0 votes
1 answer

Overriding private or static method in Java

Jul 31, 2018 in Java by misc.edu04
 • 1,450 points • 16,675 views
0 votes
1 answer

Can selenium handle autocomplete?

Jul 26, 2018 in Selenium by Atul
 • 10,240 points • 1,826 views
0 votes
1 answer

Java Timer vs Executor Service

Jul 26, 2018 in Java by v.liyyah
 • 1,300 points • 6,250 views
+1 vote
1 answer

Performance difference of if/else vs switch statement in Java

Jul 26, 2018 in Java by misc.edu04
 • 1,450 points • 3,803 views
+1 vote
1 answer

AWS billing information using AWS java sdk

Jul 26, 2018 in AWS by bug_seeker
 • 15,510 points • 835 views
0 votes
1 answer

Error while generating smart contracts which returns array of struct in Web3j v3.3.1

Jul 26, 2018 in Blockchain by sabby
 • 4,370 points • 2,071 views
0 votes
1 answer

What is the difference between getPath(), getAbsolutePath() and getCanonicalPath() in Java?

Jul 24, 2018 in Java by shweta
 • 440 points • 1,999 views
+1 vote
2 answers

Retrieve all the implementations of an interface in Java

Jul 24, 2018 in Java by 93.lynn
 • 1,600 points • 38,841 views
0 votes
1 answer

How to encrypt string in Java

Jul 24, 2018 in Java by samarth295
 • 2,220 points • 1,858 views
0 votes
1 answer

Including dependencies in a jar with Maven

Jul 21, 2018 in Java by Akrati
 • 3,190 points • 15,892 views
0 votes
1 answer

Best XML parser for Java

Jul 21, 2018 in Java by Akrati
 • 3,190 points • 7,647 views
0 votes
1 answer

How to use wait() and notify() concept in producer consumer situation

Jul 20, 2018 in Java by Hannah
 • 18,520 points • 1,180 views
0 votes
1 answer

Running Command Line in Java

Jul 20, 2018 in Java by sophia
 • 1,400 points • 817 views
0 votes
1 answer

Which is faster amongst an Array and an ArrayList?

Jul 20, 2018 in Java by Akrati
 • 960 points • 28,420 views
0 votes
1 answer

How can I calculate number of days between two dates?

Jul 19, 2018 in Java by scarlett
 • 1,290 points • 1,302 views
0 votes
1 answer

Good Hash Function for Strings

Jul 19, 2018 in Java by Daisy
 • 8,140 points • 3,664 views
+6 votes
16 answers

How do backend of these really cool games work?

Jul 19, 2018 in Career Counselling by Hannah
 • 18,520 points • 11,620 views
0 votes
1 answer

What are the practical uses for AtomicInteger?

Jul 18, 2018 in Java by Akrati
 • 3,190 points • 702 views
0 votes
1 answer

Arrays are passed by value or passed by reference in Java?

Jul 18, 2018 in Java by scarlett
 • 1,290 points • 10,509 views
+7 votes
20 answers

Let's keep this thread for discussing Java Interview questions & Experience

Jul 18, 2018 in Career Counselling by Vardhan
 • 13,150 points • 6,426 views
0 votes
2 answers

What is null in java?

Jul 17, 2018 in Java by Akrati
 • 960 points • 1,038 views
0 votes
1 answer

What is casting variable in java?

Jul 17, 2018 in Java by sophia
 • 1,400 points • 852 views
0 votes
1 answer

doGet and doPost in Servlets

Jul 17, 2018 in Java by Decoder
 • 120 points • 5,467 views
0 votes
1 answer

Use Servlets with Ajax

Jul 16, 2018 in Java by Parth
 • 4,640 points • 3,863 views
0 votes
1 answer

Difference between checked and unchecked exception

Jul 16, 2018 in Java by Parth
 • 4,640 points • 3,478 views
0 votes
1 answer

Hyperledger Fabric V1.0 Application using Java SDK Client for is waiting indefinitely when invoking chaincode

Jul 16, 2018 in Blockchain by sabby
 • 4,370 points • 1,391 views
0 votes
1 answer

What is the native keyword in Java?

Jul 16, 2018 in Java by Akrati
 • 960 points • 669 views
0 votes
2 answers

What is immutable string in java?

Jul 16, 2018 in Java by Akrati
 • 3,190 points • 944 views
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