Answers for "how to get 4 decimal places using double value in java"

Display double in decimal places java

double input = 3.14159265359;
System.out.format("double : %.2f", input); // 3.14
System.out.println("double : " + String.format("%.2f", input)); // 3.14

how to get 2 decimal places in java

total = (double) 100 / listMember.size();
DecimalFormat df = new DecimalFormat("#.##");
String dx = df.format(total);
total = Double.valueOf(dx);