| Java type | JNI type | C type | Stdint C type |
| boolean | jboolean | unsigned char | uint8_t |
| byte | jbyte | signed char | int8_t |
| char | jchar | unsigned short | uint16_t |
| double | jdouble | double | double |
| float | jfloat | float | float |
| int | jint | int | int32_t |
| long | jlong | long long | int64_t |
| short | jshort | short | int16_t |
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