Think Constructive

“Secure Java Spring Boot Applications using Spring Security" 🚀🚀

Hello everyone,

Learn “How to Implement Database Authentication for Java Spring Boot REST API” using Spring Security. This course covers storing user credentials in the database. Authenticate and authorize Java Spring Boot REST APIs using login details from the database.
Session will be up on the channel on May 6th at 6:30 PM IST ⏰
Upgrade your skills by joining the session.

Subscribe and set a reminder! ✨ Share with your fellow developers!

Keep learning, keep growing! 💻 📈
Cheers,
Esha

#springsecurity #springboot #java #restapi #TechLearning #Developer #SoftwareEngineer #SoftwareDeveloper #thinkconstructive #eshapuri #backenddeveloper #database

2 days ago (edited) | [YT] | 23

Think Constructive

What is the output of below code?

public class StringChar {
public static void main(String args[])
{
String str = "I am learning Java";
char c = str.charAt(7);
System.out.println(c);
}
}

#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #javastrings #javacoder #backenddeveloper

2 days ago | [YT] | 14

Think Constructive

How to convert String to Integer in Java?

#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #javastrings

5 days ago | [YT] | 25

Think Constructive

What are some of the key benefits of using Amazon Simple Queue Service (SQS) ?

#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #springboot #aws #amazonsqs #cloud

1 week ago | [YT] | 13

Think Constructive

Spring Security: Which annotation is used for specifying a method access-control expression which will be evaluated to decide whether a method invocation is allowed or not?

#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #springsecurity #springboot

2 weeks ago | [YT] | 14

Think Constructive

What is the output of below code snippet?

public class StringCompare {
public static void main(String args[])
{
String str1 = "Hello";
String str2 = "HELLO";
int result;
result = str1.compareTo(str2);
System.out.println(result);
}
}


#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #javastrings #stringcompare

2 weeks ago | [YT] | 14

Think Constructive

How to declare a Constant in Java?

#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #javaconstants

2 weeks ago | [YT] | 16

Think Constructive

What is the output of the below code snippet?

public class PeekExample {
public static void main(String args[])
{
Stream.of("one", "two", "three", "four")
.filter(e -> e.length() > 4)
.peek(e -> System.out.println("Filtered value: " + e))
.map(e -> e.toUpperCase())//String::toUpperCase)
.peek(e -> System.out.println("Mapped value: " + e))
.collect(Collectors.toList());
}
}

#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #javacollections #javacollectors #javastreams

1 month ago | [YT] | 15

Think Constructive

What is the output of below code snippet?

public class GroupingByDemoString {
public static void main(String args[])
{
List<String> listOfNames = new ArrayList<>(Arrays.asList("APJ Kalam", "Bill Gates",
"Steve Jobs", "APJ Kalam", "Bill Gates",
"Steve Jobs","APJ Kalam", "Bill Gates",
"Steve Jobs", "Steve Jobs" ));

Map<String, Long> countOfNames = listOfNames.stream().collect(
Collectors.groupingBy(Function.identity(), Collectors.counting())
);

countOfNames.forEach((keyOfNames, valueOfCount)-> System.out.println(
keyOfNames.toString() + " is = " + valueOfCount.toString()
));
}
}

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1 month ago | [YT] | 18

Think Constructive

Java Question: Which method is used to insert the specified element at the specified position in the ArrayList?

#softwaredeveloper #softwareengineer #thinkconstructive #eshapuri #javadeveloperinterview #codinginterview #javainterviewquestion #code #coding #javacollections #arraylist

1 month ago | [YT] | 21