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public class ProfileIdle { | |
static void work() { | |
double sum = 0; | |
for (int i = 0; i < 200000000; i++) { | |
sum += Math.atan(i); | |
} | |
System.out.println(sum); | |
} |
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import java.util.concurrent.locks.ReentrantReadWriteLock | |
import kotlin.concurrent.read | |
import kotlin.concurrent.write | |
fun lockWithoutUpgrade() { | |
val lock = ReentrantReadWriteLock() | |
println("Acquire read lock") | |
lock.readLock().lock() | |
println("Inside read lock") |