Prior to SLF4J 1.7.0 (1.6.6 and below)
String name = "1";
Long id = 1L;
int age = 99;
// one or more variables
logger.info("[doSomething: id]={}", id);
logger.info("[doSomething: id, name]={},{}", id, name);
// 3 or more variables
logger.info("[doSomething: id, name, age]={},{},{}", new Object[] {id, name, age});
In SLF4J 1.7.0, we need not declare an Object array for >= 3 variables.
String name = "1";
Long id = 1L;
int age = 99;
String status = "A";
// one or more variables
logger.info("[doSomething: id]={}", id);
logger.info("[doSomething: id, name]={},{}", id, name);
// 3 or more variables
logger.info("[doSomething: id, name, age]={},{},{}", id, name, age);
logger.info("[doSomething: id, name, age, status]={},{},{},{}", id, name, age, status);
Read more
here (6th of September, 2012).
