Java三元操作条件的使用应该类似于

Usage of Java ternary operation condition should looks like

result = testCondition ? value1 : value2

它是java语言规范。

it's java-language specification.

平等，关系和条件运算符

在以下示例中，
此运算符应该读作：如果 someCondition 是 true ，请将 value1 的
值分配给结果。否则，赋值 value2 到
结果

In the following example, this operator should be read as: "If someCondition is true, assign the value of value1 to result. Otherwise, assign the value of value2 to result