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Java > Learn Java > Why does Java work faster than C++ in LeetCode?
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Why does Java work faster than C++ in LeetCode?

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Java's dynamic compiler usually better than C++ at removing dead code i.e. code which isn't used
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The JVM has a JIT (just in time) compiler that dynamically compiles the Java byte code down to native machine code as the program is running. The JIT has a good overview of how your program actually runs as opposed to the C/C++ compiler that can only guess how your program will behave. Consequently,...
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The JVM has a JIT (just in time) compiler that dynamically compiles the Java byte code down to native machine code as the program is running. The JIT has a good overview of how your program actually runs as opposed to the C/C++ compiler that can only guess how your program will behave. Consequently, the JIT can make some optimizations that the C/C++ compiler cannot. read less
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Related Questions

When we are used the compiler and interpreter? what is the difference between them?
Java code is the best example of compiled as well as interpreted. Java Compiler does the task of compiling . Java file to .class file(binary form). JVM works as interpreter to let Operating system understand the compiled code instructions.
Shilpa
What will be the output of the program? class s implements Runnable { int x, y; public void run() { for(int i = 0; i < 1000; i++) synchronized(this) { x = 12; y = 12; } System.out.print(x + " " + y + " "); } public static void main(String args[]) { s run = new s(); Thread t1 = new Thread(run); Thread t2 = new Thread(run); t1.start(); t2.start(); } } A. Dead Lock B.It print 12 12 12 12 C.Compilation Error D.Cannot determine output.
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Java was developed in which year?
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