Runtime counting

runtimeCounting.java

// start method
long startFullTime = System.currentTimeMillis();

    //step1 begin
    long startStep1Time = System.currentTimeMillis();
    
        // some logic of step 1 here
    
    long endStep1Time = System.currentTimeMillis();
    //step1 end
    
    
    //step2 begin
    long startStep2Time = System.currentTimeMillis();
    
        // some logic of step 2 here
    
    long endStep2Time = System.currentTimeMillis();
    //step2 end

//ending method
long endFullTime = System.currentTimeMillis();
long fullTime = endFullTime - startFullTime;
System.out.println("Full Time: "+fullTime+"ms");
System.out.println("Step1 time: "+100L*(((double)endStep1Time - (double)startStep1Time)/(double)fullTime)+"% -> "+(endStep1Time - startStep1Time)+"ms");
System.out.println("Step2 time: "+100L*(((double)endStep2Time - (double)startStep2Time)/(double)fullTime)+"% -> "+(endStep2Time - startStep2Time)+"ms");

    // method return
//end method


/*

    Return will be something like:
    
    Full Time: 150ms
    Step1 time: 35.48% -> 53ms
    Step2 time: 64.52% -> 97ms
    
*/