snaker-core/src/main/java/org/snaker/engine/impl/SimpleContext.java
public void put(String name, Class<?> clazz) {
		contextMap.put(name, ClassHelper.instantiate(clazz));
	}
public void put(String name, Class<?> clazz) {
		contextMap.put(name, ClassHelper.instantiate(clazz));
	}
对外部提供的put方法
@param name
@param clazz